add github docker package

.github/workflows/docker.yml

@@ -21,21 +21,30 @@ jobs:
     steps:
       - name: Check out the repo
         uses: actions/checkout@v2
-      -
-        name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v4
-        with:
-          images: mengxin239/xrayr
       -
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
       -
         name: Login to DockerHub
-        uses: docker/login-action@v1 
+        uses: docker/login-action@v2 
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
+      - 
+        name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            mengxin239/xrayr
+            ghcr.io/${{ github.repository }}
       -
         name: Build and push
         uses: docker/build-push-action@v2