arcadia/.github/workflows/publish_images.yaml

name: Publish container image

on:
  release:
    types: [ published ]
  workflow_dispatch:
    inputs:
      always_push:
        description: Push the resulting image? (Overrides anything!)
        default: false
        type: boolean

jobs:
  build-and-push-image:

    runs-on: ubuntu-latest

    permissions:
      packages: write
      contents: read
      attestations: write
      id-token: write

    steps:
      - name: Check out the repo
        uses: actions/checkout@v4
      
      - name: Set up Docker
        uses: docker/setup-docker-action@v4
        with:
          daemon-config: |
            {
              "debug": true,
              "features": {
                "containerd-snapshotter": true
              }
            }

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
            images: ghcr.io/${{ github.repository }}

      - name: Log in to the Container Registry
        uses: docker/login-action@v3.4.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      
      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: ./backend
          push: ${{ inputs.always_push || github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-to: type=gha
          cache-from: type=gha,mode=max