add release-tag action

.forgejo/workflows/release-tag/web.yaml

@@ -0,0 +1,62 @@
+on:
+  push:
+    tags:
+      - "ws-office-[0-9]+\\.[0-9]+\\.[0-9]+"
+
+jobs:
+  create-package:
+    runs-on: self-hosted
+    container:
+      image: catthehacker/ubuntu:act-latest
+      # options: "-v "
+    steps:
+      - name: Check out Repo
+        uses: https://code.forgejo.org/actions/checkout@v3
+
+      - name: Set up Docker BuildX
+        uses: docker/setup-buildx-action@v2
+
+      - name: Connect to git2.workstreams.ch Docker registry
+        uses: https://github.com/docker/login-action@v2
+        with:
+          registry: git2.workstreams.ch
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Set RELEASE_TAG
+        run: |
+          release_tag="$GITHUB_RELEASE_TAG"
+          echo "RELEASE_TAG=$release_tag" >> $GITHUB_ENV
+          echo "the release tag will be '$release_tag'"
+
+      - name: Set PRODUCT_VERSION and BUILD_NUMBER
+        run: |
+          export $(grep -v '^#' .env | xargs)
+          echo "PRODUCT_VERSION=$product_version" >> $GITHUB_ENV
+          echo "BUILD_NUMBER=$build_number" >> $GITHUB_ENV
+
+      - name: Docker Build
+        uses: https://github.com/docker/build-push-action@v4
+        env:
+          ACTIONS_RUNTIME_TOKEN: "" # See https://gitea.com/gitea/act_runner/issues/119
+        with:
+          context: ./
+          build-args: |
+            product_version=${{ env.PRODUCT_VERSION }}
+            build_number=${{ env.BUILD_NUMBER }}
+          file: ./Dockerfile
+          platforms: |
+            linux/amd64
+          push: true
+          tags: |
+            git2.workstreams.ch/workstreams-os/ws-office-dev:${{ env.RELEASE_TAG }}
+          # cache-from: type=local,src=/tmp/.buildx-cache
+          # cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max
+
+      # - # Temp fix
+      #   # https://github.com/docker/build-push-action/issues/252
+      #   # https://github.com/moby/buildkit/issues/1896
+      #   name: Move cache
+      #   run: |
+      #     rm -rf /tmp/.buildx-cache
+      #     mv /tmp/.buildx-cache-new /tmp/.buildx-cache