Fix/dockerize pub sub

consumer/Dockerfile

@@ -0,0 +1,18 @@
+# Stage 1: Build shared-dto
+FROM maven:3.9.6-eclipse-temurin-21 AS build
+WORKDIR /app
+
+# Copy and build shared-dto
+COPY shared-dto ./shared-dto
+RUN mvn install -f shared-dto/pom.xml -DskipTests
+
+# Copy and build consumer (flat, to avoid nesting)
+COPY consumer ./consumer
+RUN mvn clean package -f consumer/pom.xml -DskipTests
+
+# Stage 2: Run the application
+FROM eclipse-temurin:21-jre
+WORKDIR /app
+COPY --from=build /app/consumer/target/consumer-0.0.1-SNAPSHOT.jar app.jar
+EXPOSE 9220
+ENTRYPOINT ["java", "-jar", "app.jar"]

docker-compose.yml

@@ -0,0 +1,43 @@
+version: "3.8"
+
+services:
+  zookeeper:
+    image: confluentinc/cp-zookeeper:7.5.0
+    environment:
+      ZOOKEEPER_CLIENT_PORT: 2181
+      ZOOKEEPER_TICK_TIME: 2000
+    ports:
+      - "2181:2181"
+
+  kafka:
+    image: confluentinc/cp-kafka:7.5.0
+    depends_on:
+      - zookeeper
+    ports:
+      - "9092:9092"
+    environment:
+      KAFKA_BROKER_ID: 1
+      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
+      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092,PLAINTEXT_HOST://localhost:9092
+      KAFKA_LISTENERS: PLAINTEXT://0.0.0.0:9092,PLAINTEXT_HOST://0.0.0.0:9093
+      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
+      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
+      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
+
+  publisher:
+    image: janindu1999/publisher-app:latest
+    depends_on:
+      - kafka
+    ports:
+      - "9219:9219"
+    environment:
+      SPRING_KAFKA_BOOTSTRAP_SERVERS: kafka:9092
+
+  consumer:
+    image: janindu1999/consumer-app:latest
+    depends_on:
+      - kafka
+    ports:
+      - "9229:9229"
+    environment:
+      SPRING_KAFKA_BOOTSTRAP_SERVERS: kafka:9092

publisher/Dockerfile

@@ -0,0 +1,19 @@
+# Stage 1: Build shared-dto
+FROM maven:3.9.6-eclipse-temurin-21 AS build
+WORKDIR /app
+
+# Copy and build shared-dto first
+COPY shared-dto ./shared-dto
+RUN mvn install -f shared-dto/pom.xml -DskipTests
+
+# Copy the rest and build publisher (including its dependencies)
+COPY publisher ./publisher
+COPY consumer ./consumer     
+RUN mvn clean package -f publisher/pom.xml -DskipTests
+
+# Stage 2: Run the application
+FROM eclipse-temurin:21-jre
+WORKDIR /app
+COPY --from=build /app/publisher/target/publisher-0.0.1-SNAPSHOT.jar app.jar
+EXPOSE 9219
+ENTRYPOINT ["java", "-jar", "app.jar"]

shared-dto/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst

@@ -1 +1 @@
-E:\I_Learn_Cloud\Projects\Springboot Kafka\shared-dto\src\main\java\com\shared\dto\Customer.java
+C:\Projects\Java\Spring Boot\Kafka\springboot-kafka-pubsub\shared-dto\src\main\java\com\shared\dto\Customer.java