name: Container Image

on:
  push:
    branches:
      - main
    tags:
      - v*
  workflow_dispatch:

permissions:
  contents: read
  packages: write

env:
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true

concurrency:
  group: image-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  docker:
    name: Build container image
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - name: Check out repository
        uses: actions/checkout@v7

      - name: Prepare licensed assets
        run: node ./scripts/prepare-licensed-assets.cjs

      - name: Derive image name
        id: vars
        run: echo "image_name=ghcr.io/${GITHUB_REPOSITORY,,}" >> "$GITHUB_OUTPUT"

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

      - name: Extract image metadata
        id: meta
        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302
        with:
          images: ${{ steps.vars.outputs.image_name }}
          tags: |
            type=ref,event=branch
            type=ref,event=tag
            type=sha,prefix=sha-
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Log in to GitHub Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and optionally publish image
        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max