fix(docs): Fix document build error (#2271)

.github/workflows/doc-image-publish.yml

@@ -6,9 +6,12 @@ on:
       - main
     paths:
       - 'docs/**'
+  pull_request:
+    paths:
+      - 'docs/**'
   release:
     types: [published]
-  workflow_dispatch: 
+  workflow_dispatch:
 
 permissions:
   contents: read
@@ -16,24 +19,29 @@ permissions:
 jobs:
   build-image:
     runs-on: ubuntu-latest
-    # run unless event type is pull_request
-    if: github.event_name != 'pull_request'
     steps:
       - uses: actions/checkout@v3
+      
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
+        
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
+        
+      # Only login to Docker Hub when not in PR
       - name: Login to Docker Hub
+        if: github.event_name != 'pull_request'
         uses: docker/login-action@v2
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
+          
       - name: Build and push
         uses: docker/build-push-action@v4
         with:
           context: .
           file: ./docs/Dockerfile-deploy
           platforms: linux/amd64
-          push: true
-          tags: eosphorosai/dbgpt-docs:${{ github.ref_name }},eosphorosai/dbgpt-docs:latest
+          # Only push when not in PR
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ github.event_name != 'pull_request' && 'eosphorosai/dbgpt-docs:${{ github.ref_name }},eosphorosai/dbgpt-docs:latest' || '' }}