docker-ci.yml

name: Docker Image CI

on:
  push:
    branches: [ "main" ]

env:
  REGISTRY: docker.io
  IMAGE_NAME: bellatop/bella-rag
  
jobs:
  build-push:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3
      
    - name: Set date tag
      id: date
      run: echo "TAG=$(date +%Y%m%d)" >> $GITHUB_OUTPUT
      
    - name: Log in to Docker Hub
      uses: docker/login-action@v3
      with:
        registry: ${{ env.REGISTRY }}
        username: ${{ secrets.DOCKERHUB_USERNAME }}   
        password: ${{ secrets.DOCKERHUB_TOKEN }}
        
    - name: Extract metadata
      id: meta
      uses: docker/metadata-action@v5
      with:
        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
        tags: |
          type=ref,event=branch
          type=ref,event=pr
          type=raw,value=latest,enable={{is_default_branch}}
          type=raw,value=${{ steps.date.outputs.TAG }}
          
    - name: Build and push Docker image
      uses: docker/build-push-action@v5
      with:
        context: .
        push: ${{ github.event_name != 'pull_request' }}
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        cache-from: type=gha
        cache-to: type=gha,mode=max

  deploy:
    needs: build-push
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
    steps:
      - name: Deploy via SSH
        uses: appleboy/ssh-action@v1
        with:
          host: ${{ secrets.SERVER_HOST }}
          username: ${{ secrets.SERVER_USER }}
          password: ${{ secrets.SERVER_PASSWORD }}
          script: |
            cd /docker-compose/bella-rag
            git pull origin main
            export IMAGE_TAG=latest                      
            docker compose pull
            docker compose up -d --build
            docker image prune -af
            echo "Deployment completed successfully!"