restore Docker workflow

.github/workflows/build.yml

@@ -1,4 +1,4 @@
-name: Java CI
+name: ci
 
 on: [ push ]
 
@@ -43,3 +43,55 @@ jobs:
         with:
           name: commafeed-${{ matrix.database }}-${{ runner.os }}-${{ runner.arch }}
           path: commafeed-server/target/commafeed-*-runner
+
+      # Docker
+      - name: Login to Container Registry
+        uses: docker/login-action@v3
+        if: ${{ github.ref_type == 'tag' || github.ref_name == 'master' }}
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Docker build and push tag - native
+        uses: docker/build-push-action@v6
+        if: ${{ github.ref_type == 'tag' }}
+        with:
+          context: commafeed-server
+          file: src/main/docker/Dockerfile.native
+          push: true
+          platforms: linux/amd64
+          tags: |
+            athou/commafeed:latest
+            athou/commafeed:${{ github.ref_name }}
+
+      - name: Docker build and push tag - jvm
+        uses: docker/build-push-action@v6
+        if: ${{ github.ref_type == 'tag' }}
+        with:
+          context: commafeed-server
+          file: src/main/docker/Dockerfile.jvm
+          push: true
+          platforms: linux/amd64,linux/arm64/v8
+          tags: |
+            athou/commafeed:latest-jvm
+            athou/commafeed:${{ github.ref_name }}-jvm
+
+      - name: Docker build and push master - native
+        uses: docker/build-push-action@v6
+        if: ${{ github.ref_name == 'master' }}
+        with:
+          context: commafeed-server
+          file: src/main/docker/Dockerfile.native
+          push: true
+          platforms: linux/amd64
+          tags: athou/commafeed:master
+
+      - name: Docker build and push master - jvm
+        uses: docker/build-push-action@v6
+        if: ${{ github.ref_name == 'master' }}
+        with:
+          context: commafeed-server
+          file: src/main/docker/Dockerfile.jvm
+          push: true
+          platforms: linux/amd64
+          tags: athou/commafeed:master-jvm