docker.yml

name: Docker Images

on:
  push:
    branches:
    - main
    tags:
    - v*
  pull_request:
    branches:
    - main
    - release/v*
  schedule:
    - cron:  '1 0 * * *'
  release:
    types: [published]
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  docker:
    name: Build, test, and publish Docker images to Docker Hub
    permissions:
      contents: read
      packages: write  # for docker to push to registry
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Prepare
        id: prep
        run: |
          DOCKER_IMAGE=pyhf/pyhf
          VERSION=latest
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            VERSION=${GITHUB_REF_NAME}
          elif [[ $GITHUB_REF == refs/pull/* ]]; then
            VERSION=pr-${{ github.event.number }}
          fi
          TAGS="${DOCKER_IMAGE}:${VERSION}"
          TAGS="$TAGS,${DOCKER_IMAGE}:latest,${DOCKER_IMAGE}:sha-${GITHUB_SHA::8}"
          # Releases also have GITHUB_REFs that are tags, so reuse VERSION
          if [ "${{ github.event_name }}" = "release" ]; then
            TAGS="$TAGS,${DOCKER_IMAGE}:latest-stable,ghcr.io/${{github.repository}}:latest-stable,ghcr.io/${{github.repository}}:${VERSION}"
          fi
          echo "steps.prep.outputs.version=${VERSION}"
          echo "version=${VERSION}" >> $GITHUB_OUTPUT
          echo "steps.prep.outputs.tags=${TAGS}"
          echo "tags=${TAGS}" >> $GITHUB_OUTPUT
          echo "steps.prep.outputs.created=$(date -u +'%Y-%m-%dT%H:%M:%SZ')"
          echo "created=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Login to DockerHub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Login to GitHub Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Test build
        id: docker_build_test
        uses: docker/build-push-action@v6
        with:
          context: .
          file: docker/Dockerfile
          tags: ${{ steps.prep.outputs.tags }}
          labels: |
            org.opencontainers.image.source=${{ github.event.repository.html_url }}
            org.opencontainers.image.created=${{ steps.prep.outputs.created }}
            org.opencontainers.image.revision=${{ github.sha }}
          load: true
          push: false

      - name: Image digest
        run: echo ${{ steps.docker_build_test.outputs.digest }}

      - name: List built images
        run: docker images

      - name: Run CLI API check
        run: |
          printf "\npyhf\n"
          docker run --rm pyhf/pyhf:sha-${GITHUB_SHA::8}
          printf "\npyhf --version\n"
          docker run --rm pyhf/pyhf:sha-${GITHUB_SHA::8} --version
          printf "\npyhf --help\n"
          docker run --rm pyhf/pyhf:sha-${GITHUB_SHA::8} --help

      - name: Check for curl and tar
        run: >-
          docker run --rm
          --entrypoint /bin/bash
          pyhf/pyhf:sha-${GITHUB_SHA::8}
          -c "which curl; which tar"

      - name: Build and publish to registry
        # every PR will trigger a push event on main, so check the push event is actually coming from main
        if: github.event_name == 'push' && github.ref == 'refs/heads/main' && github.repository == 'scikit-hep/pyhf'
        id: docker_build_latest
        uses: docker/build-push-action@v6
        with:
          context: .
          file: docker/Dockerfile
          tags: |
            pyhf/pyhf:latest
            ghcr.io/${{ github.repository }}:latest
          labels: |
            org.opencontainers.image.source=${{ github.event.repository.html_url }}
            org.opencontainers.image.created=${{ steps.prep.outputs.created }}
            org.opencontainers.image.revision=${{ github.sha }}
          push: true
          platforms: linux/amd64,linux/arm64

      - name: Build and publish to registry with release tag
        if: github.event_name == 'release' && github.event.action == 'published' && github.repository == 'scikit-hep/pyhf'
        id: docker_build_release
        uses: docker/build-push-action@v6
        with:
          context: .
          file: docker/Dockerfile
          tags: ${{ steps.prep.outputs.tags }}
          labels: |
            org.opencontainers.image.source=${{ github.event.repository.html_url }}
            org.opencontainers.image.created=${{ steps.prep.outputs.created }}
            org.opencontainers.image.revision=${{ github.sha }}
          push: true
          platforms: linux/amd64,linux/arm64