Docs: update workflow for building docs image (#384)

Signed-off-by: Carson Yang <yangchuansheng33@gmail.com>

.github/workflows/docs-image.yml

@@ -9,7 +9,7 @@ on:
     tags:
       - 'v*.*.*'
 jobs:
-  build-fastgpt-images:
+  build-fastgpt-docs-images:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout
@@ -59,7 +59,7 @@ jobs:
           -f docSite/Dockerfile \
           .
   push-to-docker-hub:
-    needs: build-fastgpt-images
+    needs: build-fastgpt-docs-images
     runs-on: ubuntu-20.04
     if: github.repository == 'labring/FastGPT'
     steps:
@@ -82,4 +82,17 @@ jobs:
       - name: Tag image with Docker Hub repository name and version tag
         run: docker tag ghcr.io/${{ github.repository_owner }}/fastgpt-docs:${{env.IMAGE_TAG}} ${{ secrets.DOCKER_IMAGE_NAME }}:${{env.IMAGE_TAG}}
       - name: Push image to Docker Hub
-        run: docker push ${{ secrets.DOCKER_IMAGE_NAME }}:${{env.IMAGE_TAG}}
+        run: docker push ${{ secrets.DOCKER_IMAGE_NAME }}:${{env.IMAGE_TAG}}
+
+  update-docs-image:
+    needs: build-fastgpt-docs-images
+    runs-on: ubuntu-20.04
+    if: github.repository == 'labring/FastGPT'
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - uses: actions-hub/kubectl@master
+        env:
+          KUBE_CONFIG: ${{ secrets.KUBE_CONFIG }}
+        with:
+          args: rollout restart deployment fastgpt-docs