Adding the files and workflows to build the docker images

.github/workflows/deploy.yml

@@ -7,6 +7,8 @@ on:
 
 jobs:
   deployment:
+    permissions:
+      packages: write
     environment: deploy
     runs-on: ubuntu-latest
 
@@ -30,4 +32,24 @@ jobs:
       run: mvn --batch-mode deploy -DskipTests
       env:
         MAVEN_USERNAME: ${{ secrets.BUILD_USERNAME }}
-        MAVEN_PASSWORD: ${{ secrets.BUILD_PASSWORD }}
+        MAVEN_PASSWORD: ${{ secrets.BUILD_PASSWORD }}
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v2
+      with:
+        registry: ghcr.io
+        username: ${{ github.repository_owner }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Build and push the voot server image
+      uses: docker/build-push-action@v4
+      with:
+        context: .
+        file: docker/Dockerfile
+        platforms: linux/amd64
+        push: true
+        tags: |
+          ghcr.io/openconext/openconext-voot/voot-server:${{ github.ref_name }}

docker/Dockerfile

@@ -0,0 +1,3 @@
+FROM eclipse-temurin:11-jdk-alpine
+COPY target/*.jar app.jar
+ENTRYPOINT ["java","-jar","/app.jar"]