build-backend.yaml

name: Build Backend Docker Image

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  release:
    types: [ created ]

permissions:
  contents: read
  packages: write

jobs:
  build_docker:
    runs-on: ubuntu-22.04
    name: Build & publish docker image
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/${{ github.repository }}-backend
          flavor: latest=true

      - name: Login to image repository
        if: github.ref_type == 'tag'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@b3eddbb94c4146a0988a620b01720afe50639271
        with:
          context: ./backend
          file: backend/Dockerfile
          push: ${{ github.ref_type == 'tag' }}
          provenance: false
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}