diff --git a/docs/src/main/asciidoc/property-source-config.adoc b/docs/src/main/asciidoc/property-source-config.adoc
index 7d730970..5e6db21f 100644
--- a/docs/src/main/asciidoc/property-source-config.adoc
+++ b/docs/src/main/asciidoc/property-source-config.adoc
@@ -65,8 +65,38 @@ of the application is resolved.
 Any matching `ConfigMap` that is found is processed as follows:
 
 * Apply individual configuration properties.
-* Apply as `yaml` the content of any property named `application.yaml`.
-* Apply as a properties file the content of any property named `application.properties`.
+* Apply as `yaml` (or `properties`) the content of any property that is named by the value of `spring.application.name`
+  (if it's not present, by `application.yaml/properties`)
+* Apply as a properties file the content of the above name + each active profile.
+
+An example should make a lot more sense. Let's suppose that `spring.application.name=my-app` and that
+we have a single active profile called `k8s`. For a configuration as below:
+
+
+====
+[source]
+----
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: my-app
+data:
+  my-app.yaml: |-
+    ...
+  my-app-k8s.yaml: |-
+    ..
+  my-app-dev.yaml: |-
+   ..
+  someProp: someValue
+----
+====
+
+These is what we will end-up loading:
+
+ - `my-app.yaml` treated as a file
+ - `my-app-k8s.yaml` treated as a file
+ - `my-app-dev.yaml` _ignored_, since `dev` is _not_ an active profile
+ - `someProp: someValue` plain property
 
 The single exception to the aforementioned flow is when the `ConfigMap` contains a *single* key that indicates
 the file is a YAML or properties file. In that case, the name of the key does NOT have to be `application.yaml` or
diff --git a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/SingleSourceMultipleFilesApp.java b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/SingleSourceMultipleFilesApp.java
new file mode 100644
index 00000000..17f7d3c7
--- /dev/null
+++ b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/SingleSourceMultipleFilesApp.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files.properties.Color;
+import org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files.properties.Name;
+import org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files.properties.Shape;
+import org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files.properties.Type;
+
+@SpringBootApplication
+@EnableConfigurationProperties({ Name.class, Shape.class, Color.class, Type.class })
+public class SingleSourceMultipleFilesApp {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SingleSourceMultipleFilesApp.class, args);
+	}
+
+}
diff --git a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/SingleSourceMultipleFilesBootstrapTests.java b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/SingleSourceMultipleFilesBootstrapTests.java
new file mode 100644
index 00000000..c5f3fb1a
--- /dev/null
+++ b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/SingleSourceMultipleFilesBootstrapTests.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files;
+
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
+
+/**
+ * @author wind57
+ */
+@ActiveProfiles("color")
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
+		classes = SingleSourceMultipleFilesApp.class,
+		properties = { "spring.cloud.bootstrap.name=single-source-multiple-files",
+				"spring.main.cloud-platform=KUBERNETES", "spring.cloud.bootstrap.enabled=true",
+				"spring.cloud.kubernetes.client.namespace=spring-k8s", "single.source.multiple.files.stub=true" })
+class SingleSourceMultipleFilesBootstrapTests extends SingleSourceMultipleFilesTests {
+
+}
diff --git a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/SingleSourceMultipleFilesConfigDataTests.java b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/SingleSourceMultipleFilesConfigDataTests.java
new file mode 100644
index 00000000..dd9caf95
--- /dev/null
+++ b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/SingleSourceMultipleFilesConfigDataTests.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files;
+
+import com.github.tomakehurst.wiremock.WireMockServer;
+import com.github.tomakehurst.wiremock.client.WireMock;
+import io.kubernetes.client.util.ClientBuilder;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.mockito.MockedStatic;
+
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.cloud.kubernetes.client.KubernetesClientUtils;
+import org.springframework.test.context.ActiveProfiles;
+
+import static com.github.tomakehurst.wiremock.core.WireMockConfiguration.options;
+import static org.mockito.Mockito.mockStatic;
+import static org.springframework.cloud.kubernetes.client.config.boostrap.stubs.SingleSourceMultipleFilesConfigurationStub.stubData;
+
+/**
+ * @author wind57
+ */
+@ActiveProfiles("color")
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
+		classes = SingleSourceMultipleFilesApp.class,
+		properties = { "spring.main.cloud-platform=KUBERNETES",
+				"spring.config.import=kubernetes:,classpath:./single-source-multiple-files.yaml",
+				"spring.cloud.kubernetes.client.namespace=spring-k8s" })
+class SingleSourceMultipleFilesConfigDataTests extends SingleSourceMultipleFilesTests {
+
+	private static MockedStatic<KubernetesClientUtils> clientUtilsMock;
+
+	@BeforeAll
+	static void wireMock() {
+		WireMockServer server = new WireMockServer(options().dynamicPort());
+		server.start();
+		WireMock.configureFor("localhost", server.port());
+		clientUtilsMock = mockStatic(KubernetesClientUtils.class);
+		clientUtilsMock.when(KubernetesClientUtils::kubernetesApiClient)
+				.thenReturn(new ClientBuilder().setBasePath(server.baseUrl()).build());
+		stubData();
+	}
+
+	@AfterAll
+	static void teardown() {
+		clientUtilsMock.close();
+	}
+
+}
diff --git a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/SingleSourceMultipleFilesTests.java b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/SingleSourceMultipleFilesTests.java
new file mode 100644
index 00000000..6ba97cae
--- /dev/null
+++ b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/SingleSourceMultipleFilesTests.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files;
+
+import com.github.tomakehurst.wiremock.client.WireMock;
+import org.hamcrest.Matchers;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.web.reactive.server.WebTestClient;
+
+/**
+ * @author wind57
+ *
+ * Stub for this test is here :
+ * {@link org.springframework.cloud.kubernetes.client.config.boostrap.stubs.SingleSourceMultipleFilesConfigurationStub}
+ *
+ * issue: https://github.com/spring-cloud/spring-cloud-kubernetes/issues/640
+ *
+ */
+abstract class SingleSourceMultipleFilesTests {
+
+	@Autowired
+	private WebTestClient webClient;
+
+	@AfterEach
+	void afterEach() {
+		WireMock.reset();
+	}
+
+	@AfterAll
+	static void afterAll() {
+		WireMock.shutdownServer();
+	}
+
+	/**
+	 * <pre>
+	 *   "fruit-color.properties" is taken since "spring.application.name=fruit" and
+	 *   "color" is an active profile
+	 * </pre>
+	 */
+	@Test
+	void color() {
+		this.webClient.get().uri("/single_source-multiple-files/color").exchange().expectStatus().isOk()
+				.expectBody(String.class).value(Matchers.equalTo("raw:green###ripe:yellow"));
+	}
+
+	/**
+	 * <pre>
+	 *   "fruit.properties" is read, since it matches "spring.application.name"
+	 * </pre>
+	 */
+	@Test
+	void name() {
+		this.webClient.get().uri("/single_source-multiple-files/name").exchange().expectStatus().isOk()
+				.expectBody(String.class).value(Matchers.equalTo("banana"));
+	}
+
+	/**
+	 * <pre>
+	 *   shape profile is not active, thus property "fruit-shape.properties" is skipped
+	 *   and as such, a null comes here.
+	 * </pre>
+	 */
+	@Test
+	void shape() {
+		this.webClient.get().uri("/single_source-multiple-files/shape").exchange().expectStatus().isOk()
+				.expectBody(String.class).value(Matchers.nullValue());
+	}
+
+	/**
+	 * <pre>
+	 *   this is a non-file property in the configmap
+	 * </pre>
+	 */
+	@Test
+	void type() {
+		this.webClient.get().uri("/single_source-multiple-files/type").exchange().expectStatus().isOk()
+				.expectBody(String.class).value(Matchers.equalTo("yummy"));
+	}
+
+}
diff --git a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/controller/SingleSourceMultipleFilesController.java b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/controller/SingleSourceMultipleFilesController.java
new file mode 100644
index 00000000..8fb65561
--- /dev/null
+++ b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/controller/SingleSourceMultipleFilesController.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2013-2021 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files.controller;
+
+import org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files.properties.Color;
+import org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files.properties.Name;
+import org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files.properties.Shape;
+import org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files.properties.Type;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class SingleSourceMultipleFilesController {
+
+	private final Name name;
+
+	private final Shape shape;
+
+	private final Color color;
+
+	private final Type type;
+
+	public SingleSourceMultipleFilesController(Name name, Shape shape, Color color, Type type) {
+		this.name = name;
+		this.shape = shape;
+		this.color = color;
+		this.type = type;
+	}
+
+	@GetMapping("/single_source-multiple-files/type")
+	public String type() {
+		return type.getType();
+	}
+
+	@GetMapping("/single_source-multiple-files/shape")
+	public String shape() {
+		return shape.getRaw();
+	}
+
+	@GetMapping("/single_source-multiple-files/color")
+	public String color() {
+		return "raw:" + color.getRaw() + "###" + "ripe:" + color.getRipe();
+	}
+
+	@GetMapping("/single_source-multiple-files/name")
+	public String name() {
+		return name.getName();
+	}
+
+}
diff --git a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/properties/Color.java b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/properties/Color.java
new file mode 100644
index 00000000..8d5cb2d4
--- /dev/null
+++ b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/properties/Color.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2013-2021 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files.properties;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties(prefix = "color.when")
+public class Color {
+
+	private String raw;
+
+	private String ripe;
+
+	public String getRaw() {
+		return raw;
+	}
+
+	public void setRaw(String raw) {
+		this.raw = raw;
+	}
+
+	public String getRipe() {
+		return ripe;
+	}
+
+	public void setRipe(String ripe) {
+		this.ripe = ripe;
+	}
+
+}
diff --git a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/properties/Name.java b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/properties/Name.java
new file mode 100644
index 00000000..21df5011
--- /dev/null
+++ b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/properties/Name.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files.properties;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties("cool")
+public class Name {
+
+	private String name;
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+}
diff --git a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/properties/Shape.java b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/properties/Shape.java
new file mode 100644
index 00000000..3a041536
--- /dev/null
+++ b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/properties/Shape.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files.properties;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties("shape.when")
+public class Shape {
+
+	private String raw;
+
+	private String ripe;
+
+	public String getRaw() {
+		return raw;
+	}
+
+	public void setRaw(String raw) {
+		this.raw = raw;
+	}
+
+	public String getRipe() {
+		return ripe;
+	}
+
+	public void setRipe(String ripe) {
+		this.ripe = ripe;
+	}
+
+}
diff --git a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/properties/Type.java b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/properties/Type.java
new file mode 100644
index 00000000..a8e4338b
--- /dev/null
+++ b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/applications/single_source_multiple_files/properties/Type.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.client.config.applications.single_source_multiple_files.properties;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties("fruit")
+public class Type {
+
+	private String type;
+
+	public String getType() {
+		return type;
+	}
+
+	public void setType(String type) {
+		this.type = type;
+	}
+
+}
diff --git a/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/boostrap/stubs/SingleSourceMultipleFilesConfigurationStub.java b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/boostrap/stubs/SingleSourceMultipleFilesConfigurationStub.java
new file mode 100644
index 00000000..e92948d7
--- /dev/null
+++ b/spring-cloud-kubernetes-client-config/src/test/java/org/springframework/cloud/kubernetes/client/config/boostrap/stubs/SingleSourceMultipleFilesConfigurationStub.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.client.config.boostrap.stubs;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import com.github.tomakehurst.wiremock.WireMockServer;
+import com.github.tomakehurst.wiremock.client.WireMock;
+import io.kubernetes.client.openapi.ApiClient;
+import io.kubernetes.client.openapi.JSON;
+import io.kubernetes.client.openapi.models.V1ConfigMap;
+import io.kubernetes.client.openapi.models.V1ConfigMapBuilder;
+import io.kubernetes.client.openapi.models.V1ConfigMapList;
+import io.kubernetes.client.openapi.models.V1ObjectMetaBuilder;
+import io.kubernetes.client.util.ClientBuilder;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.annotation.Order;
+
+import static com.github.tomakehurst.wiremock.core.WireMockConfiguration.options;
+
+/**
+ * A test bootstrap that takes care to initialize ApiClient _before_ our main bootstrap
+ * context; with some stub data already present.
+ *
+ * @author wind57
+ */
+@Order(0)
+@Configuration
+@ConditionalOnProperty("single.source.multiple.files.stub")
+public class SingleSourceMultipleFilesConfigurationStub {
+
+	@Bean
+	public WireMockServer wireMock() {
+		WireMockServer server = new WireMockServer(options().dynamicPort());
+		server.start();
+		WireMock.configureFor("localhost", server.port());
+		return server;
+	}
+
+	@Bean
+	public ApiClient apiClient(WireMockServer wireMockServer) {
+		ApiClient apiClient = new ClientBuilder().setBasePath("http://localhost:" + wireMockServer.port()).build();
+		io.kubernetes.client.openapi.Configuration.setDefaultApiClient(apiClient);
+		stubData();
+		return apiClient;
+	}
+
+	public static void stubData() {
+
+		Map<String, String> one = new HashMap<>();
+		one.put("fruit.type", "yummy");
+		one.put("fruit.properties", "cool.name=banana");
+		one.put("fruit-color.properties", "color.when.raw=green\ncolor.when.ripe=yellow");
+
+		// this is not taken, since "shape" is not an active profile
+		one.put("fruit-shape.properties", "shape.when.raw=small-sphere\nshape.when.ripe=bigger-sphere");
+
+		V1ConfigMap configMap = new V1ConfigMapBuilder()
+				.withMetadata(new V1ObjectMetaBuilder().withName("my-configmap").withNamespace("spring-k8s").build())
+				.addToData(one).build();
+
+		V1ConfigMapList allConfigMaps = new V1ConfigMapList();
+		allConfigMaps.addItemsItem(configMap);
+
+		// the actual stub for CoreV1Api calls
+		WireMock.stubFor(WireMock.get("/api/v1/namespaces/spring-k8s/configmaps")
+				.willReturn(WireMock.aResponse().withStatus(200).withBody(new JSON().serialize(allConfigMaps))));
+	}
+
+}
diff --git a/spring-cloud-kubernetes-client-config/src/test/resources/META-INF/spring.factories b/spring-cloud-kubernetes-client-config/src/test/resources/META-INF/spring.factories
index 33ce8813..8460c48b 100644
--- a/spring-cloud-kubernetes-client-config/src/test/resources/META-INF/spring.factories
+++ b/spring-cloud-kubernetes-client-config/src/test/resources/META-INF/spring.factories
@@ -1,10 +1,11 @@
 org.springframework.cloud.bootstrap.BootstrapConfiguration=\
 org.springframework.cloud.kubernetes.client.config.boostrap.stubs.NamedConfigMapWithProfileConfigurationStub, \
 org.springframework.cloud.kubernetes.client.config.boostrap.stubs.NamedConfigMapWithPrefixConfigurationStub, \
-  org.springframework.cloud.kubernetes.client.config.boostrap.stubs.NamedSecretWithPrefixConfigurationStub, \
+org.springframework.cloud.kubernetes.client.config.boostrap.stubs.NamedSecretWithPrefixConfigurationStub, \
 org.springframework.cloud.kubernetes.client.config.boostrap.stubs.NamedSecretWithProfileConfigurationStub, \
 org.springframework.cloud.kubernetes.client.config.boostrap.stubs.LabeledSecretWithPrefixConfigurationStub, \
 org.springframework.cloud.kubernetes.client.config.boostrap.stubs.LabeledSecretWithProfileConfigurationStub, \
 org.springframework.cloud.kubernetes.client.config.boostrap.stubs.LabeledConfigMapWithPrefixConfigurationStub, \
 org.springframework.cloud.kubernetes.client.config.boostrap.stubs.LabeledConfigMapWithProfileConfigurationStub, \
+org.springframework.cloud.kubernetes.client.config.boostrap.stubs.SingleSourceMultipleFilesConfigurationStub, \
 org.springframework.cloud.kubernetes.client.config.EnableRetryBootstrapConfiguration
diff --git a/spring-cloud-kubernetes-client-config/src/test/resources/single-source-multiple-files.yaml b/spring-cloud-kubernetes-client-config/src/test/resources/single-source-multiple-files.yaml
new file mode 100644
index 00000000..571e90a0
--- /dev/null
+++ b/spring-cloud-kubernetes-client-config/src/test/resources/single-source-multiple-files.yaml
@@ -0,0 +1,9 @@
+spring:
+  application:
+    name: fruit
+  cloud:
+    kubernetes:
+      config:
+        namespace: spring-k8s
+        sources:
+          - name: my-configmap
diff --git a/spring-cloud-kubernetes-commons/src/main/java/org/springframework/cloud/kubernetes/commons/config/SourceDataEntriesProcessor.java b/spring-cloud-kubernetes-commons/src/main/java/org/springframework/cloud/kubernetes/commons/config/SourceDataEntriesProcessor.java
index 4052997e..b3faabd7 100644
--- a/spring-cloud-kubernetes-commons/src/main/java/org/springframework/cloud/kubernetes/commons/config/SourceDataEntriesProcessor.java
+++ b/spring-cloud-kubernetes-commons/src/main/java/org/springframework/cloud/kubernetes/commons/config/SourceDataEntriesProcessor.java
@@ -16,11 +16,13 @@
 
 package org.springframework.cloud.kubernetes.commons.config;
 
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -28,9 +30,6 @@ import org.apache.commons.logging.LogFactory;
 import org.springframework.core.env.Environment;
 import org.springframework.core.env.MapPropertySource;
 
-import static org.springframework.cloud.kubernetes.commons.config.Constants.APPLICATION_PROPERTIES;
-import static org.springframework.cloud.kubernetes.commons.config.Constants.APPLICATION_YAML;
-import static org.springframework.cloud.kubernetes.commons.config.Constants.APPLICATION_YML;
 import static org.springframework.cloud.kubernetes.commons.config.PropertySourceUtils.KEY_VALUE_TO_PROPERTIES;
 import static org.springframework.cloud.kubernetes.commons.config.PropertySourceUtils.PROPERTIES_TO_MAP;
 import static org.springframework.cloud.kubernetes.commons.config.PropertySourceUtils.throwingMerger;
@@ -76,21 +75,45 @@ public class SourceDataEntriesProcessor extends MapPropertySource {
 
 	private static Map<String, Object> defaultProcessAllEntries(Map<String, String> input, Environment environment) {
 
-		return input.entrySet().stream().map(e -> extractProperties(e.getKey(), e.getValue(), environment))
+		// we pass empty Strings on purpose, the logic here is either the value of
+		// "spring.application.name"
+		// or literal "application".
+		String applicationName = ConfigUtils.getApplicationName(environment, "", "");
+		String[] activeProfiles = environment.getActiveProfiles();
+
+		Set<String> fileNames = Stream
+				.concat(Stream.of(applicationName),
+						Arrays.stream(activeProfiles).map(profile -> applicationName + "-" + profile))
+				.collect(Collectors.toSet());
+
+		return input.entrySet().stream().map(e -> extractProperties(e.getKey(), e.getValue(), fileNames, environment))
 				.flatMap(m -> m.entrySet().stream())
 				.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, throwingMerger(), HashMap::new));
 	}
 
-	private static Map<String, Object> extractProperties(String resourceName, String content, Environment environment) {
+	private static Map<String, Object> extractProperties(String resourceName, String content, Set<String> fileNames,
+			Environment environment) {
 
-		if (resourceName.equals(APPLICATION_YAML) || resourceName.equals(APPLICATION_YML)) {
-			return yamlParserGenerator(environment).andThen(PROPERTIES_TO_MAP).apply(content);
-		}
-		else if (resourceName.equals(APPLICATION_PROPERTIES)) {
-			return KEY_VALUE_TO_PROPERTIES.andThen(PROPERTIES_TO_MAP).apply(content);
+		if (resourceName.endsWith(".yml") || resourceName.endsWith(".yaml") || resourceName.endsWith(".properties")) {
+
+			if (fileNames.contains(resourceName.split("\\.", 2)[0])) {
+				if (resourceName.endsWith(".properties")) {
+					LOG.debug("entry : " + resourceName + " will be treated as a single properties file");
+					return KEY_VALUE_TO_PROPERTIES.andThen(PROPERTIES_TO_MAP).apply(content);
+				}
+				else {
+					LOG.debug("entry : " + resourceName + " will be treated as a single yml/yaml file");
+					return yamlParserGenerator(environment).andThen(PROPERTIES_TO_MAP).apply(content);
+				}
+			}
+			else {
+				LOG.warn("entry : " + resourceName + " will be skipped");
+				return Collections.emptyMap();
+			}
 		}
 
 		return Collections.singletonMap(resourceName, content);
+
 	}
 
 }
diff --git a/spring-cloud-kubernetes-commons/src/test/java/org/springframework/cloud/kubernetes/commons/config/SourceDataEntriesProcessorTests.java b/spring-cloud-kubernetes-commons/src/test/java/org/springframework/cloud/kubernetes/commons/config/SourceDataEntriesProcessorTests.java
new file mode 100644
index 00000000..98647e09
--- /dev/null
+++ b/spring-cloud-kubernetes-commons/src/test/java/org/springframework/cloud/kubernetes/commons/config/SourceDataEntriesProcessorTests.java
@@ -0,0 +1,174 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.commons.config;
+
+import java.util.Map;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.mock.env.MockEnvironment;
+
+/**
+ * @author wind57
+ */
+class SourceDataEntriesProcessorTests {
+
+	@Test
+	void testSingleYml() {
+
+		Map<String, Object> result = SourceDataEntriesProcessor.processAllEntries(Map.of("one.yml", "key: \n value"),
+				new MockEnvironment());
+
+		Assertions.assertEquals(1, result.size());
+		Assertions.assertEquals("value", result.get("key"));
+	}
+
+	@Test
+	void testSingleYaml() {
+
+		Map<String, Object> result = SourceDataEntriesProcessor.processAllEntries(Map.of("one.yaml", "key: \n value"),
+				new MockEnvironment());
+
+		Assertions.assertEquals(1, result.size());
+		Assertions.assertEquals("value", result.get("key"));
+	}
+
+	@Test
+	void testSingleProperties() {
+
+		Map<String, Object> result = SourceDataEntriesProcessor.processAllEntries(Map.of("one.properties", "key=value"),
+				new MockEnvironment());
+
+		Assertions.assertEquals(1, result.size());
+		Assertions.assertEquals("value", result.get("key"));
+	}
+
+	/**
+	 * <pre>
+	 *	two properties present, none are file treated
+	 * </pre>
+	 */
+	@Test
+	void twoEntriesNoneFileTreated() {
+
+		Map.Entry<String, String> one = Map.entry("one", "1");
+		Map.Entry<String, String> two = Map.entry("two", "2");
+		Map<String, String> map = Map.ofEntries(one, two);
+
+		Map<String, Object> result = SourceDataEntriesProcessor.processAllEntries(map, new MockEnvironment());
+
+		Assertions.assertEquals(2, result.size());
+		Assertions.assertEquals("1", result.get("one"));
+		Assertions.assertEquals("2", result.get("two"));
+	}
+
+	/**
+	 * <pre>
+	 *	- two properties present, none are file treated.
+	 *  - even if there is a application.yaml, it is not taken since it is != spring.application.name
+	 * </pre>
+	 */
+	@Test
+	void twoEntriesOneIsYamlButNotTaken() {
+
+		Map.Entry<String, String> one = Map.entry("one", "1");
+		Map.Entry<String, String> myName = Map.entry("my-name.yaml", "color: \n blue");
+		Map<String, String> map = Map.ofEntries(one, myName);
+
+		Map<String, Object> result = SourceDataEntriesProcessor.processAllEntries(map, new MockEnvironment());
+
+		Assertions.assertEquals(1, result.size());
+		Assertions.assertEquals("1", result.get("one"));
+	}
+
+	/**
+	 * <pre>
+	 *	- two properties present, both taken.
+	 *  - second one is treated as a file, since it's name matches "spring.application.name"
+	 * </pre>
+	 */
+	@Test
+	void twoEntriesBothTaken() {
+
+		Map.Entry<String, String> one = Map.entry("one", "1");
+		Map.Entry<String, String> application = Map.entry("application.yaml", "color: \n blue");
+		Map<String, String> map = Map.ofEntries(one, application);
+
+		Map<String, Object> result = SourceDataEntriesProcessor.processAllEntries(map, new MockEnvironment());
+
+		Assertions.assertEquals(2, result.size());
+		Assertions.assertEquals("1", result.get("one"));
+		Assertions.assertEquals("blue", result.get("color"));
+	}
+
+	/**
+	 * <pre>
+	 *	- three properties present, all taken.
+	 *  - second one is treated as a file, since it's name matches "spring.application.name"
+	 *  - third one is taken since it matches one active profile
+	 * </pre>
+	 */
+	@Test
+	void threeEntriesAllTaken() {
+
+		Map.Entry<String, String> one = Map.entry("one", "1");
+		Map.Entry<String, String> application = Map.entry("application.properties", "color=blue");
+		Map.Entry<String, String> applicationDev = Map.entry("application-dev.properties", "fit=sport");
+		Map<String, String> map = Map.ofEntries(one, application, applicationDev);
+
+		MockEnvironment env = new MockEnvironment();
+		env.setActiveProfiles("dev");
+		Map<String, Object> result = SourceDataEntriesProcessor.processAllEntries(map, env);
+
+		Assertions.assertEquals(3, result.size());
+		Assertions.assertEquals("1", result.get("one"));
+		Assertions.assertEquals("blue", result.get("color"));
+		Assertions.assertEquals("sport", result.get("fit"));
+	}
+
+	/**
+	 * <pre>
+	 *	- five properties present, four are taken
+	 *  - second one is treated as a file, since it's name matches "spring.application.name"
+	 *  - third one is taken since it matches one active profile
+	 *  - fourth one is taken since it matches one active profile
+	 * </pre>
+	 */
+	@Test
+	void fiveEntriesFourTaken() {
+
+		Map.Entry<String, String> one = Map.entry("one", "1");
+		Map.Entry<String, String> jacket = Map.entry("jacket.properties", "name=jacket");
+		Map.Entry<String, String> jacketFit = Map.entry("jacket-fit.properties", "fit=sport");
+		Map.Entry<String, String> jacketColor = Map.entry("jacket-color.properties", "color=black");
+		Map.Entry<String, String> jacketSeason = Map.entry("jacket-season.properties", "season=summer");
+		Map<String, String> map = Map.ofEntries(one, jacket, jacketFit, jacketColor, jacketSeason);
+
+		MockEnvironment env = new MockEnvironment();
+		env.setProperty("spring.application.name", "jacket");
+		env.setActiveProfiles("fit", "color");
+		Map<String, Object> result = SourceDataEntriesProcessor.processAllEntries(map, env);
+
+		Assertions.assertEquals(4, result.size());
+		Assertions.assertEquals("1", result.get("one"));
+		Assertions.assertEquals("jacket", result.get("name"));
+		Assertions.assertEquals("sport", result.get("fit"));
+		Assertions.assertEquals("black", result.get("color"));
+	}
+
+}
diff --git a/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/SingleSourceMultipleFilesApp.java b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/SingleSourceMultipleFilesApp.java
new file mode 100644
index 00000000..dae74a94
--- /dev/null
+++ b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/SingleSourceMultipleFilesApp.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files.properties.Color;
+import org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files.properties.Name;
+import org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files.properties.Shape;
+import org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files.properties.Type;
+
+@SpringBootApplication
+@EnableConfigurationProperties({ Name.class, Shape.class, Color.class, Type.class })
+public class SingleSourceMultipleFilesApp {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SingleSourceMultipleFilesApp.class, args);
+	}
+
+}
diff --git a/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/SingleSourceMultipleFilesBootstrapTests.java b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/SingleSourceMultipleFilesBootstrapTests.java
new file mode 100644
index 00000000..38f3d393
--- /dev/null
+++ b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/SingleSourceMultipleFilesBootstrapTests.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files;
+
+import io.fabric8.kubernetes.client.KubernetesClient;
+import io.fabric8.kubernetes.client.server.mock.EnableKubernetesMockClient;
+import org.junit.jupiter.api.BeforeAll;
+
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
+
+/**
+ * @author wind57
+ */
+@ActiveProfiles("color")
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
+		classes = SingleSourceMultipleFilesApp.class,
+		properties = { "spring.cloud.bootstrap.name=single-source-multiple-files",
+				"spring.main.cloud-platform=KUBERNETES", "spring.cloud.bootstrap.enabled=true" })
+@EnableKubernetesMockClient(crud = true, https = false)
+class SingleSourceMultipleFilesBootstrapTests extends SingleSourceMultipleFilesTests {
+
+	private static KubernetesClient mockClient;
+
+	@BeforeAll
+	static void setUpBeforeClass() {
+		setUpBeforeClass(mockClient);
+	}
+
+}
diff --git a/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/SingleSourceMultipleFilesConfigDataTests.java b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/SingleSourceMultipleFilesConfigDataTests.java
new file mode 100644
index 00000000..6462948c
--- /dev/null
+++ b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/SingleSourceMultipleFilesConfigDataTests.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files;
+
+import io.fabric8.kubernetes.client.KubernetesClient;
+import io.fabric8.kubernetes.client.server.mock.EnableKubernetesMockClient;
+import org.junit.jupiter.api.BeforeAll;
+
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
+
+/**
+ * @author wind57
+ */
+@ActiveProfiles("color")
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
+		classes = SingleSourceMultipleFilesApp.class,
+		properties = { "spring.main.cloud-platform=KUBERNETES",
+				"spring.config.import=kubernetes:,classpath:./single-source-multiple-files.yaml" })
+@EnableKubernetesMockClient(crud = true, https = false)
+class SingleSourceMultipleFilesConfigDataTests extends SingleSourceMultipleFilesTests {
+
+	private static KubernetesClient mockClient;
+
+	@BeforeAll
+	static void setUpBeforeClass() {
+		setUpBeforeClass(mockClient);
+	}
+
+}
diff --git a/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/SingleSourceMultipleFilesTests.java b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/SingleSourceMultipleFilesTests.java
new file mode 100644
index 00000000..552a9d5b
--- /dev/null
+++ b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/SingleSourceMultipleFilesTests.java
@@ -0,0 +1,115 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import io.fabric8.kubernetes.api.model.ConfigMapBuilder;
+import io.fabric8.kubernetes.client.Config;
+import io.fabric8.kubernetes.client.KubernetesClient;
+import org.hamcrest.Matchers;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.web.reactive.server.WebTestClient;
+
+/**
+ * @author wind57
+ *
+ * issue: https://github.com/spring-cloud/spring-cloud-kubernetes/issues/640
+ */
+abstract class SingleSourceMultipleFilesTests {
+
+	private static KubernetesClient mockClient;
+
+	@Autowired
+	private WebTestClient webClient;
+
+	static void setUpBeforeClass(KubernetesClient mockClient) {
+		SingleSourceMultipleFilesTests.mockClient = mockClient;
+		// Configure the kubernetes master url to point to the mock server
+		System.setProperty(Config.KUBERNETES_MASTER_SYSTEM_PROPERTY, mockClient.getConfiguration().getMasterUrl());
+		System.setProperty(Config.KUBERNETES_TRUST_CERT_SYSTEM_PROPERTY, "true");
+		System.setProperty(Config.KUBERNETES_AUTH_TRYKUBECONFIG_SYSTEM_PROPERTY, "false");
+		System.setProperty(Config.KUBERNETES_AUTH_TRYSERVICEACCOUNT_SYSTEM_PROPERTY, "false");
+		System.setProperty(Config.KUBERNETES_NAMESPACE_SYSTEM_PROPERTY, "test");
+		System.setProperty(Config.KUBERNETES_HTTP2_DISABLE, "true");
+
+		Map<String, String> one = new HashMap<>();
+		one.put("fruit.type", "yummy");
+		one.put("fruit.properties", "cool.name=banana");
+		one.put("fruit-color.properties", "color.when.raw=green\ncolor.when.ripe=yellow");
+
+		// this is not taken, since "shape" is not an active profile
+		one.put("fruit-shape.properties", "shape.when.raw=small-sphere\nshape.when.ripe=bigger-sphere");
+		createConfigmap(one);
+
+	}
+
+	static void createConfigmap(Map<String, String> data) {
+		mockClient.configMaps().inNamespace("spring-k8s").create(new ConfigMapBuilder().withNewMetadata()
+				.withName("my-configmap").endMetadata().addToData(data).build());
+	}
+
+	/**
+	 * <pre>
+	 *   "fruit-color.properties" is taken since "spring.application.name=fruit" and
+	 *   "color" is an active profile
+	 * </pre>
+	 */
+	@Test
+	void color() {
+		this.webClient.get().uri("/single_source-multiple-files/color").exchange().expectStatus().isOk()
+				.expectBody(String.class).value(Matchers.equalTo("raw:green###ripe:yellow"));
+	}
+
+	/**
+	 * <pre>
+	 *   "fruit.properties" is read, since it matches "spring.application.name"
+	 * </pre>
+	 */
+	@Test
+	void name() {
+		this.webClient.get().uri("/single_source-multiple-files/name").exchange().expectStatus().isOk()
+				.expectBody(String.class).value(Matchers.equalTo("banana"));
+	}
+
+	/**
+	 * <pre>
+	 *   shape profile is not active, thus property "fruit-shape.properties" is skipped
+	 *   and as such, a null comes here.
+	 * </pre>
+	 */
+	@Test
+	void shape() {
+		this.webClient.get().uri("/single_source-multiple-files/shape").exchange().expectStatus().isOk()
+				.expectBody(String.class).value(Matchers.nullValue());
+	}
+
+	/**
+	 * <pre>
+	 *   this is a non-file property in the configmap
+	 * </pre>
+	 */
+	@Test
+	void type() {
+		this.webClient.get().uri("/single_source-multiple-files/type").exchange().expectStatus().isOk()
+				.expectBody(String.class).value(Matchers.equalTo("yummy"));
+	}
+
+}
diff --git a/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/controller/SingleSourceMultipleFilesController.java b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/controller/SingleSourceMultipleFilesController.java
new file mode 100644
index 00000000..1ff8f6c2
--- /dev/null
+++ b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/controller/SingleSourceMultipleFilesController.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2013-2021 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files.controller;
+
+import org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files.properties.Color;
+import org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files.properties.Name;
+import org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files.properties.Shape;
+import org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files.properties.Type;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class SingleSourceMultipleFilesController {
+
+	private final Name name;
+
+	private final Shape shape;
+
+	private final Color color;
+
+	private final Type type;
+
+	public SingleSourceMultipleFilesController(Name name, Shape shape, Color color, Type type) {
+		this.name = name;
+		this.shape = shape;
+		this.color = color;
+		this.type = type;
+	}
+
+	@GetMapping("/single_source-multiple-files/type")
+	public String type() {
+		return type.getType();
+	}
+
+	@GetMapping("/single_source-multiple-files/shape")
+	public String shape() {
+		return shape.getRaw();
+	}
+
+	@GetMapping("/single_source-multiple-files/color")
+	public String color() {
+		return "raw:" + color.getRaw() + "###" + "ripe:" + color.getRipe();
+	}
+
+	@GetMapping("/single_source-multiple-files/name")
+	public String name() {
+		return name.getName();
+	}
+
+}
diff --git a/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/properties/Color.java b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/properties/Color.java
new file mode 100644
index 00000000..34cf51dd
--- /dev/null
+++ b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/properties/Color.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2013-2021 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files.properties;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties(prefix = "color.when")
+public class Color {
+
+	private String raw;
+
+	private String ripe;
+
+	public String getRaw() {
+		return raw;
+	}
+
+	public void setRaw(String raw) {
+		this.raw = raw;
+	}
+
+	public String getRipe() {
+		return ripe;
+	}
+
+	public void setRipe(String ripe) {
+		this.ripe = ripe;
+	}
+
+}
diff --git a/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/properties/Name.java b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/properties/Name.java
new file mode 100644
index 00000000..e19b512f
--- /dev/null
+++ b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/properties/Name.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files.properties;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties("cool")
+public class Name {
+
+	private String name;
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+}
diff --git a/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/properties/Shape.java b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/properties/Shape.java
new file mode 100644
index 00000000..cda2835a
--- /dev/null
+++ b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/properties/Shape.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files.properties;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties("shape.when")
+public class Shape {
+
+	private String raw;
+
+	private String ripe;
+
+	public String getRaw() {
+		return raw;
+	}
+
+	public void setRaw(String raw) {
+		this.raw = raw;
+	}
+
+	public String getRipe() {
+		return ripe;
+	}
+
+	public void setRipe(String ripe) {
+		this.ripe = ripe;
+	}
+
+}
diff --git a/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/properties/Type.java b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/properties/Type.java
new file mode 100644
index 00000000..7704e5a7
--- /dev/null
+++ b/spring-cloud-kubernetes-fabric8-config/src/test/java/org/springframework/cloud/kubernetes/fabric8/config/single_source_multiple_files/properties/Type.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2013-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cloud.kubernetes.fabric8.config.single_source_multiple_files.properties;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties("fruit")
+public class Type {
+
+	private String type;
+
+	public String getType() {
+		return type;
+	}
+
+	public void setType(String type) {
+		this.type = type;
+	}
+
+}
diff --git a/spring-cloud-kubernetes-fabric8-config/src/test/resources/single-source-multiple-files.yaml b/spring-cloud-kubernetes-fabric8-config/src/test/resources/single-source-multiple-files.yaml
new file mode 100644
index 00000000..571e90a0
--- /dev/null
+++ b/spring-cloud-kubernetes-fabric8-config/src/test/resources/single-source-multiple-files.yaml
@@ -0,0 +1,9 @@
+spring:
+  application:
+    name: fruit
+  cloud:
+    kubernetes:
+      config:
+        namespace: spring-k8s
+        sources:
+          - name: my-configmap
diff --git a/spring-cloud-kubernetes-fabric8-leader/src/test/java/org/springframework/cloud/kubernetes/fabric8/leader/LeaderInitiatorTest.java b/spring-cloud-kubernetes-fabric8-leader/src/test/java/org/springframework/cloud/kubernetes/fabric8/leader/LeaderInitiatorTest.java
index e54e7e1c..8388de25 100644
--- a/spring-cloud-kubernetes-fabric8-leader/src/test/java/org/springframework/cloud/kubernetes/fabric8/leader/LeaderInitiatorTest.java
+++ b/spring-cloud-kubernetes-fabric8-leader/src/test/java/org/springframework/cloud/kubernetes/fabric8/leader/LeaderInitiatorTest.java
@@ -83,7 +83,9 @@ public class LeaderInitiatorTest {
 		assertThat(this.leaderInitiator.isRunning()).isTrue();
 		verify(this.mockFabric8LeaderRecordWatcher).start();
 		verify(this.mockFabric8PodReadinessWatcher).start();
-		Thread.sleep(10);
+
+		// TODO this tests needs to be reviewed not to use sleep
+		Thread.sleep(1000);
 		verify(this.mockFabric8LeadershipController, atLeastOnce()).update();
 	}