Using seperate build and deploy images

.github/workflows/buildAndPushImage.yml

@@ -22,12 +22,30 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: 'true'
-
-      - name: Login to GitHub Container Registry
-        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login ghcr.io -u well5a --password-stdin
 
-      - name: Build the Docker image
-        run: docker build . --file Dockerfile --tag $IMAGE_URL/$IMAGE_NAME:$IMAGE_TAG
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: linux/amd64
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          platforms: linux/amd64
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Push the Docker image
-        run: docker push $IMAGE_URL/$IMAGE_NAME:$IMAGE_TAG
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64
+          push: true
+          tags: ${{ env.IMAGE_URL }}/${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}
+          provenance: false

Dockerfile

@@ -1,16 +1,28 @@
-FROM alpine:latest
+# Stage 1: Build the application using Maven with Eclipse Temurin JDK 11
+FROM maven:3.8.6-eclipse-temurin-11 AS build
 
-RUN apk upgrade --no-cache \
-    && apk add --no-cache bash curl gcompat libstdc++ maven openjdk11
-
-RUN mkdir -p /app/target
+# Set the working directory for the build stage
 WORKDIR /app
 
+# Copy the Maven project file and source code into the container
 COPY pom.xml .
 COPY src ./src
 COPY mps-transformation-terraform ./mps-transformation-terraform
+
+# Create the necessary directory for transformation input
 RUN mkdir -p /app/mps-transformation-terraform/transformationInput
 
-RUN mvn clean package -DskipTests
+# Build the project, using multiple threads and skipping tests
+RUN mvn -T 2C -q clean package -DskipTests
+
+# Stage 2: Create a minimal runtime image using OpenJDK 11 JRE
+FROM openjdk:11-jre-slim
+
+# Set the working directory for the runtime stage
+WORKDIR /app
+
+# Copy all built files from the build stage to the runtime stage
+COPY --from=build /app /app
 
-CMD java -jar target/terraform-mps-plugin-0.0.1-SNAPSHOT.jar
+# Set the command to run the application
+CMD ["java", "-jar", "/app/target/terraform-mps-plugin-0.0.1-SNAPSHOT.jar"]