docker.yml

name: Docker

on:
  release:
    types: [published]
  pull_request:
    paths:
      - docker/**
      - .github/workflows/docker.yml
  workflow_dispatch:
    inputs:
      tag_name:
        description: "Tag of the docker image to push"
        required: true
        default: "vX.X.X"
      prerelease:
        description: "Pre-Release (do not push latest tag)"
        type: boolean

jobs:
  docker-build-push:
    if: |
        github.repository_owner == 'cupy' ||
        github.event_name != 'release'
    runs-on: ubuntu-22.04
    strategy:
      matrix:
        include:
          - context: "docker/python3"
            base: "cupy/cupy"
          - context: "docker/rocm"
            base: "cupy/cupy-rocm"
    env:
      DOCKER_TAG_NAME: |
        ${{
          (github.event_name == 'release' && github.event.release.tag_name) ||
          (github.event_name == 'workflow_dispatch' && github.event.inputs.tag_name) ||
          'pull-request-test'
        }}
    steps:
    - name: Checkout
      uses: actions/checkout@v4

    - name: Login to DockerHub
      if: github.event_name != 'pull_request'
      uses: docker/login-action@v2
      with:
        username: ${{ secrets.DOCKERHUB_USERNAME }}
        password: ${{ secrets.DOCKERHUB_TOKEN }}

    - name: Docker Build & Push (version tag)
      uses: docker/build-push-action@v4
      with:
        context: ${{ matrix.context }}
        tags: ${{ matrix.base }}:${{ env.DOCKER_TAG_NAME }}
        push: ${{ github.event_name != 'pull_request' }}

    - name: Docker Build & Push (latest tag)
      if: |
          (github.event_name == 'release' && ! github.event.release.prerelease) ||
          (github.event_name == 'workflow_dispatch' && ! github.event.inputs.prerelease)
      uses: docker/build-push-action@v4
      with:
        context: ${{ matrix.context }}
        tags: ${{ matrix.base }}:latest
        push: ${{ github.event_name != 'pull_request' }}