publish_docker.yml

name: Build and Publish Docker Image

on:
  push:
    branches:
      - main
    tags:
      - '*'
  release:
    types:
      - published

permissions:
  contents: read
  packages: write

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.11"

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4
        with:
          driver: docker

      - name: Build wheel from VCS version
        run: |
          python -m pip install --upgrade pip build
          rm -rf dist
          python -m build --wheel
          ls -l dist

      - name: Determine compose-runner version and Docker tags
        id: version
        run: |
          VERSION=$(python -c 'from pathlib import Path; wheel = next(Path("dist").glob("*.whl")).name; print(wheel.split("-")[1].replace("_", "-"))')
          DOCKER_TAG=$(printf '%s' "$VERSION" | tr '+' '-')

          if [[ "${GITHUB_REF_TYPE}" == "tag" && "${GITHUB_REF_NAME}" != "${VERSION}" ]]; then
            echo "Wheel version ${VERSION} does not match git tag ${GITHUB_REF_NAME}"
            exit 1
          fi

          echo "version=${VERSION}" >> "$GITHUB_OUTPUT"
          echo "docker_tag=${DOCKER_TAG}" >> "$GITHUB_OUTPUT"
          {
            echo "tags<<EOF"
            echo "ghcr.io/neurostuff/nsc-runner:${DOCKER_TAG}"
            if [[ "${GITHUB_REF_NAME}" == "main" ]]; then
              echo "ghcr.io/neurostuff/nsc-runner:latest"
            fi
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Build and push Docker image
        uses: docker/build-push-action@v7
        with:
          context: .
          push: true
          build-args: |
            COMPOSE_RUNNER_VERSION=${{ steps.version.outputs.version }}
          tags: ${{ steps.version.outputs.tags }}