ci: Fix Forgejo workflow for local runner

.forgejo/workflows/docker.yml

@@ -11,40 +11,27 @@ env:
 
 jobs:
     build-and-push:
-        runs-on: ubuntu-latest
+        runs-on: synology-runner
 
         steps:
             - name: Checkout code
-              uses: actions/checkout@v4
+              run: |
+                  git clone https://git.khoavo.myds.me/vndangkhoa/monochrome.git /workspace/monochrome
+                  cd /workspace/monochrome
+                  git checkout $GITHUB_SHA
 
             - name: Set up Docker Buildx
-              uses: docker/setup-buildx-action@v3
+              run: docker buildx create --name mybuilder --use || docker buildx use mybuilder
 
             - name: Login to Forgejo Container Registry
-              uses: docker/login-action@v3
-              with:
-                  registry: ${{ env.REGISTRY }}
-                  username: ${{ secrets.FORGEJO_USERNAME }}
-                  password: ${{ secrets.FORGEJO_TOKEN }}
-
-            - name: Extract metadata
-              id: meta
-              uses: docker/metadata-action@v5
-              with:
-                  images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-                  tags: |
-                      type=ref,event=branch
-                      type=sha,prefix=
-                      type=raw,value=latest
+              run: |
+                  echo "${{ secrets.FORGEJO_TOKEN }}" | docker login ${{ env.REGISTRY }} -u "${{ secrets.FORGEJO_USERNAME }}" --password-stdin
 
             - name: Build and push Docker image
-              uses: docker/build-push-action@v5
-              with:
-                  context: .
-                  file: ./docker/Dockerfile
-                  push: true
-                  tags: ${{ steps.meta.outputs.tags }}
-                  labels: ${{ steps.meta.outputs.labels }}
-                  platforms: linux/amd64
-                  cache-from: type=gha
-                  cache-to: type=gha,mode=max
+              run: |
+                  cd /workspace/monochrome
+                  TAG="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:$(echo $GITHUB_SHA | cut -c1-8)"
+                  if [ "$GITHUB_REF" = "refs/heads/main" ]; then
+                    TAG="$TAG ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}:latest"
+                  fi
+                  docker buildx build --platform linux/amd64 -t $TAG -f docker/Dockerfile --push .