Add bugfix Docker image workflow

.github/workflows/docker-delete-tag-on-merge.yml

@@ -0,0 +1,34 @@
+name: Delete Docker Tag on Merge
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  delete-docker-tag:
+    if: |
+      contains(github.event.head_commit.message, 'Merge pull request') &&
+      startsWith(github.event.head_commit.message, 'Merge pull request')
+    runs-on: ubuntu-latest
+    steps:
+      - name: Extract merged branch name
+        id: extract_branch
+        run: |
+          # Extract branch name from merge commit message
+          BRANCH=$(echo "${{ github.event.head_commit.message }}" | grep -oE 'fix/[^ ]+')
+          TAG=${BRANCH#fix/}
+          echo "tag=$TAG" >> $GITHUB_OUTPUT
+        shell: bash
+
+      - name: Delete Docker tag from Docker Hub
+        if: steps.extract_branch.outputs.tag != ''
+        env:
+          DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
+          DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
+          TAG: ${{ steps.extract_branch.outputs.tag }}
+        run: |
+          echo "Deleting Docker tag: $TAG"
+          curl -X DELETE -u "$DOCKERHUB_USERNAME:$DOCKERHUB_TOKEN" \
+            "https://hub.docker.com/v2/repositories/grimsi/gameyfin/tags/$TAG/"
+

.github/workflows/docker-fix.yml

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+name: Build and Push Docker Image (fix/*)
+
+on:
+  push:
+    branches:
+      - 'fix/*'
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+
+      - name: Run production build
+        env:
+          GAMEYFIN_KEYSTORE_PASSWORD: ${{ secrets.GAMEYFIN_KEYSTORE_PASSWORD }}
+        run: ./gradlew clean build -Pvaadin.productionMode=true
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Extract tag from branch name
+        id: extract_tag
+        run: |
+          BRANCH_NAME="${GITHUB_REF#refs/heads/}"
+          TAG="${BRANCH_NAME#fix/}"
+          echo "tag=$TAG" >> $GITHUB_OUTPUT
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: docker/Dockerfile
+          platforms: linux/arm64/v8,linux/amd64
+          push: true
+          tags: grimsi/gameyfin:${{ steps.extract_tag.outputs.tag }}
+