docker.yml

name: Docker

on:
  push:
    branches:
      - develop
  release:
    types: [published]

jobs:
  docker:
    runs-on: ubuntu-latest
    permissions:
      packages: write  # required to publish docker image

    env:
      REGISTRY: ghcr.io
      IMAGE_NAME: ${{ github.repository }}

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          submodules: ${{ ! (github.event_name == 'release' && github.event.action == 'published') }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=tag

      - name: Login to GHCR
        uses: docker/login-action@v3
        if: github.event_name != 'pull_request'
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
          
      - name: Build and export
        uses: docker/build-push-action@v5
        with:
          context: .
          target: prod
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}