docker.yml

name: Publish Docker Image
on:
  release:
    types:
      - published
  workflow_dispatch:
jobs:
  publish-image:
    concurrency: publish-image
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: cachix/install-nix-action@v30
        with:
          nix_path: nixpkgs=channel:nixos-unstable-small
      - uses: cachix/cachix-action@v15
        with:
          name: protoletariat
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          extraPullNames: nix-community,poetry2nix
      - run: nix run --print-build-logs --keep-going '.#protoletariat-image.copyToDockerDaemon'
      - run: echo "FROM protoletariat:$(nix eval --raw '.#protoletariat-image.imageTag')" > Dockerfile
      - uses: docker/metadata-action@v4
        id: meta
        with:
          images: |
            ghcr.io/${{ github.repository_owner }}/protoletariat
          tags: |
            type=semver,pattern=v{{version}}
            type=semver,pattern=v{{major}}.{{minor}}
            type=semver,pattern=v{{major}}
            type=sha
            type=sha,format=long
      - uses: docker/login-action@v3.3.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - uses: docker/build-push-action@v4
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}