Throw exception if pulled image platform doesn't match the requested platform

Closes gh-44059

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/dockerTest/java/org/springframework/boot/gradle/tasks/bundling/BootBuildImageIntegrationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2024 the original author or authors.
+ * Copyright 2012-2025 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.
@@ -513,6 +513,14 @@ class BootBuildImageIntegrationTests {
 		assertThat(result.getOutput()).containsPattern("Each image building cache can be configured only once");
 	}
 
+	@TestTemplate
+	void failsWithIncompatiblePlatform() throws IOException {
+		writeMainClass();
+		BuildResult result = this.gradleBuild.buildAndFail("bootBuildImage");
+		assertThat(result.getOutput()).contains(
+				"Image platform mismatch detected. The configured platform 'invalid/platform' is not supported by the image 'ghcr.io/spring-io/spring-boot-cnb-test-builder:0.0.1'. Requested platform 'invalid/platform' but got 'linux/amd64'");
+	}
+
 	private void writeMainClass() throws IOException {
 		File examplePackage = new File(this.gradleBuild.getProjectDir(), "src/main/java/example");
 		examplePackage.mkdirs();

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/dockerTest/resources/org/springframework/boot/gradle/tasks/bundling/BootBuildImageIntegrationTests-failsWithIncompatiblePlatform.gradle

@@ -0,0 +1,11 @@
+plugins {
+	id 'java'
+	id 'org.springframework.boot' version '{version}'
+}
+
+bootBuildImage {
+	builder = "ghcr.io/spring-io/spring-boot-cnb-test-builder:0.0.1"
+	runImage = "paketobuildpacks/run-jammy-tiny"
+	buildpacks = ["ghcr.io/spring-io/spring-boot-test-info:0.0.1"]
+	imagePlatform = "invalid/platform"
+}