Update ssl demo app

kafka-security-samples/kafka-ssl-demo/README.adoc

@@ -316,6 +316,8 @@ You should be able to connect to Kafka broker for both producer and consumer suc
 
 Build this application.
 
+Before building, move the certificate files to `src/main/resources` folder so that they are available on the classpath.
+
 ```
 ./mvnw clean package
 ```

kafka-security-samples/kafka-ssl-demo/pom.xml

@@ -26,6 +26,7 @@
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-stream-binder-kafka</artifactId>
+			<version>3.0.10.RELEASE</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.kafka</groupId>

kafka-security-samples/kafka-ssl-demo/src/main/resources/application.yml

@@ -6,9 +6,9 @@ spring.cloud.stream:
     brokers: localhost:9093
     configuration:
       security.protocol: SSL
-      ssl.truststore.location: /tmp/kafka-ssl-demo/client.truststore
+      ssl.truststore.location: classpath:client.truststore
       ssl.truststore.password: 123456
-      ssl.keystore.location: /tmp/kafka-ssl-demo/ssldemo.keystore
+      ssl.keystore.location: classpath:ssldemo.keystore
       ssl.keystore.password: 123456
       ssl.key.password: 123456
       ssl.enabled.protocols: TLSv1.2,TLSv1.1,TLSv1