ci: add Forgejo workflow for Docker build and push

.forgejo/workflows/docker-build.yml

@@ -10,17 +10,29 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        run: |
-          cd /tmp
-          rm -rf kv-tube
-          git clone https://vndangkhoa:b14bc4938aeb5f4014fa15186985a0a625f7e9b4@nas:3050/vndangkhoa/kv-tube.git
-          cd kv-tube
-          git checkout ${GITEA_SHA:-main}
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Forgejo Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.khoavo.myds.me
+          username: ${{ secrets.FORGEJO_USERNAME }}
+          password: ${{ secrets.FORGEJO_TOKEN }}
 
       - name: Build and push
+        env:
+          IMAGE: git.khoavo.myds.me/vndangkhoa/kv-tube
         run: |
-          cd /tmp/kv-tube
           SHA_SHORT=$(git rev-parse --short HEAD)
-          IMAGE="git.khoavo.myds.me/vndangkhoa/kv-tube"
-          docker build -t ${IMAGE}:${SHA_SHORT} .
+          
+          # Build with platform for Synology NAS (linux/amd64)
+          docker build --platform linux/amd64 -t ${IMAGE}:${SHA_SHORT} -t ${IMAGE}:latest .
+          
+          # Push both tags
           docker push ${IMAGE}:${SHA_SHORT}
+          docker push ${IMAGE}:latest