updated tagging on build actions

.gitea/workflows/docker-build.yaml

@@ -27,4 +27,51 @@ jobs:
         with:
           context: .
           push: true
-          tags: blinkfink182/qbt-gluetun-portmgr:test
+          tags: blinkfink182/qbt-gluetun-portmgr:test
+
+
+name: Build and Push Docker Image
+
+on:
+  push:
+    branches:
+      - "**"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Compute image tag
+        id: tag
+        run: |
+          BRANCH="${{ gitea.ref_name }}"
+
+          if [ "$BRANCH" = "main" ]; then
+            TAG="latest"
+          elif [[ "$BRANCH" == v* ]]; then
+            TAG="$BRANCH"
+          else
+            TAG="test"
+          fi
+
+          echo "tag=$TAG" >> $GITHUB_OUTPUT
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: blinkfink182/qbt-gluetun-portmgr:${{ steps.tag.outputs.tag }}