CI for fork

.github/workflows/publish.yml

@@ -0,0 +1,49 @@
+name: publish
+
+on:
+  push:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+  CURRENT_BRANCH: ${{ github.ref_name }}
+
+jobs:
+  publish:
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout module
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          java-version: '17'
+          distribution: 'adopt'
+
+      - name: Build with Maven
+        run: mvn clean install -Dmaven.test.skip=true
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}