deploy-backend.yml

name: Build image for backend

on:
  push:
    branches:
      - main
      - backend/dockerfile
  workflow_dispatch:

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Log into GitHub Container Registry
        run: echo "${{ secrets.GH_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin

      - name: Go to backend repo
        run: |
          cd backend

      - name: Add SHORT_SHA
        run: |
          echo "SHORT_SHA=`echo ${GITHUB_SHA} | cut -c1-7`" >> $GITHUB_ENV
          echo ${SHORT_SHA}
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Docker build & push
        uses: docker/build-push-action@v3
        env:
          SHORT_SHA: ${{ env.SHORT_SHA }}
        with:
          context: backend/
          pull: true
          push: true
          tags: ghcr.io/snuhcs-course/swpp-2023-project-team-8/backend:${{ env.SHORT_SHA }}
          cache-from: type=gha
          cache-to: type=gha,mode=max