docker.yml

name: docker

on:
  push:
    branches: [master]
    tags: ['v*']
  pull_request:
  workflow_dispatch:

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

jobs:
  image:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - uses: actions/checkout@v4

      - uses: docker/setup-buildx-action@v3

      - name: Build image
        uses: docker/build-push-action@v6
        with:
          context: .
          load: true
          tags: profanity2:ci
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Smoke test image
        run: |
          docker run --rm profanity2:ci --help | grep -q '^usage: '
          docker run --rm profanity2:ci clinfo --version
          # No GPU on the runner, so the entrypoint must refuse to start.
          ! docker run --rm profanity2:ci --benchmark -z "$(printf 'a%.0s' {1..128})"

      - name: Log in to the container registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Collect image tags
        if: github.event_name != 'pull_request'
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha,format=short
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Push image
        if: github.event_name != 'pull_request'
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha