chore: push nightly image to ghcr.io (#684)

Author: jiacai2050

.github/workflows/dockerhub-publish-nightly.yml

@@ -5,28 +5,33 @@ on:
   schedule:
     - cron: '10 20 * * *'
 
+env:
+  REGISTRY: ghcr.io
+
 jobs:
   docker:
     if: github.repository_owner == 'CeresDB'
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
     steps:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
-      - name: Login to DockerHub
+      - name: Login to Container Registry
         uses: docker/login-action@v2
         with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
       - name: Set Environment Variables
         run: |
             echo "BUILD_DATE=$(TZ=':Asia/Shanghai' date '+%Y%m%d')" >> $GITHUB_ENV
-            # only first 7 chars of commit id
-            echo "COMMIT_ID=${GITHUB_SHA::7}" >> $GITHUB_ENV
       - name: Build and Push CeresDB Server Docker Image
         uses: docker/build-push-action@v3
         with:
           context: .
           push: true
-          tags: ceresdb/ceresdb-server:nightly-${{ env.BUILD_DATE }}-${{ env.COMMIT_ID }}
+          tags: ceresdb/ceresdb-server:nightly-${{ env.BUILD_DATE }}