chore(gha): add voting-admin-app docker image integration

.github/workflows/publish.yaml

@@ -272,3 +272,30 @@ jobs:
             "REACT_APP_USER_VERIFICATION_SERVER_URL=${{ env.REACT_APP_USER_VERIFICATION_SERVER_URL }}"
           tags: |
             ${{ env.PRIVATE_DOCKER_REGISTRY_URL }}/${{ env.APP_NAME }}:${{ env.ARTIFACT_VERSION }}
+
+  publish-admin-cli:
+    runs-on: self-hosted
+    env:
+      APP_NAME: voting-admin-app
+    needs: build-version
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Docker Login
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.PRIVATE_DOCKER_REGISTRY_URL }}
+          username: ${{ env.PRIVATE_DOCKER_REGISTRY_USER }}
+          password: ${{ env.PRIVATE_DOCKER_REGISTRY_PASS }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Build and Push docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: backend-services/${{ env.APP_NAME }}
+          push: true
+          tags: |
+            ${{ env.PRIVATE_DOCKER_REGISTRY_URL }}/${{ env.APP_NAME }}:${{ env.ARTIFACT_VERSION }}

backend-services/voting-admin-app/Dockerfile

@@ -0,0 +1,9 @@
+FROM openjdk:20-jdk-slim AS build
+WORKDIR /app
+COPY . /app
+RUN ./gradlew clean build
+
+FROM openjdk:20-jdk-slim AS runtime
+WORKDIR /app
+COPY --from=build /app/build/libs/*SNAPSHOT.jar /app/app.jar
+ENTRYPOINT ["java", "-jar", "app.jar"]