name: Deploy (build on server)

on:
  push:
    branches: [ "main" ]
  workflow_dispatch:

jobs:
  deploy:
    runs-on: ubuntu-latest
    permissions:
      contents: read

    steps:
      - name: Deploy via SSH
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ vars.SSH_HOST }}
          username: ${{ vars.SSH_USER }}
          key: ${{ secrets.SSH_KEY }}
          port: ${{ vars.SSH_PORT }}
          script: |
            set -e
            cd ${{ secrets.DEPLOY_PATH }}
            cat << 'ENVEOF' > .env
            ${{ secrets.DEPLOY_ENV_FILE }}
            ENVEOF

            # .env가 비어 있으면 중단
            if [ ! -s .env ]; then
              echo ".env가 비어 있습니다. DEPLOY_ENV_FILE 설정을 확인하세요."
              exit 1
            fi

            # Export variables from .env file
            set -a
            source .env
            set +a

            git fetch origin main
            git checkout main
            git pull --ff-only

            docker compose --env-file .env up -d --build