Use github container registry

.github/workflows/docker-image.yml

@@ -10,17 +10,37 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+
+    permissions:
+      packages: write
+      contents: read
+
     env:
-      tag: ${{ secrets.CI_REGISTRY }}/geekpie/lug:latest
+      REGISTRY: ghcr.io
+      USERNAME: ShanghaitechGeekPie
+      IMAGE_NAME : ${{ github.repository }}
+
     steps:
-    - uses: actions/checkout@v3
-    - name: Login to Docker Hub
-      uses: docker/login-action@v2
-      with:
-        registry: ${{ secrets.CI_REGISTRY }}
-        username: ${{ secrets.CI_REGISTRY_USER }}
-        password: ${{ secrets.CI_REGISTRY_PASSWORD }}
-    - name: Build the Docker image
-      run: docker build . --file Dockerfile --tag $tag
-    - name: Push the Docker image
-      run: docker push $tag
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Login to Container registry
+        uses: docker/login-action@v1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ env.USERNAME }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}