revert login to github repo

Author: longshuicy

.github/workflows/backend.yaml

@@ -87,7 +87,7 @@ jobs:
         with:
           context: ./backend
           platforms: linux/amd64,linux/arm64
-          push: true
+          push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.backendMeta.outputs.tags }}
           labels: ${{ steps.backendMeta.outputs.labels }}
 
@@ -97,7 +97,7 @@ jobs:
         with:
           context: ./backend
           platforms: linux/amd64,linux/arm64
-          push: true
+          push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.heartbeatMeta.outputs.tags }}
           file: ./backend/heartbeat.Dockerfile
           labels: ${{ steps.heartbeatMeta.outputs.labels }}

.github/workflows/frontend.yaml

@@ -48,21 +48,14 @@ jobs:
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_PASSWORD }}
-
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v2
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
       -
         name: Build and push clowder-build
         uses: docker/build-push-action@v3
         with:
           context: ./frontend
           target: clowder-build
           platforms: linux/amd64
-          push: true
+          push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
       -
@@ -72,6 +65,6 @@ jobs:
           context: ./frontend
           target: clowder-runtime
           platforms: linux/amd64
-          push: true
+          push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}