docker.yaml

name: Docker Image

on:
  push:
    branches:
      - main
    tags:
      - "v*.*.*"
  pull_request:
    branches:
      - main
  workflow_dispatch:

permissions:
  contents: read
  packages: write

concurrency:
  group: docker-${{ github.ref }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
        with:
          fetch-depth: 0

      # GHCR image always mirrors the repository path, lower-cased.
      - name: Resolve image name
        id: images
        run: echo "ghcr=ghcr.io/${GITHUB_REPOSITORY,,}" >> "$GITHUB_OUTPUT"

      - name: Set up QEMU
        uses: docker/setup-qemu-action@1f40c72289eff860ee54a304f1438e3cff362e0a # v4.3.0

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@37fe631027851001ddb9b187196cc803df7f5f0e # v4.3.0

      - name: Log in to GitHub Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302 # v6.2.0
        with:
          images: ${{ steps.images.outputs.ghcr }}
          # `latest` tracks the main branch
          # Release tags publish a single immutable X.Y.Z tag
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=semver,pattern={{version}}
          flavor: |
            latest=false
          labels: |
            org.opencontainers.image.title=mmdb-cli
            org.opencontainers.image.description=Command-line toolkit to create, transform, export and inspect MMDB files

      - name: Compute build version
        id: version
        run: |
          if [ "${{ github.ref_type }}" = "tag" ]; then
            echo "value=${{ github.ref_name }}" >> "$GITHUB_OUTPUT"
          else
            echo "value=edge-$(git rev-parse --short HEAD)" >> "$GITHUB_OUTPUT"
          fi

      - name: Build and push
        id: build
        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          annotations: ${{ steps.meta.outputs.annotations }}
          build-args: |
            VERSION=${{ steps.version.outputs.value }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          provenance: mode=max
          sbom: true

      - name: Summary
        if: github.event_name != 'pull_request'
        run: |
          {
            echo "### Docker image published"
            echo
            echo '```'
            echo "${{ steps.meta.outputs.tags }}"
            echo '```'
            echo
            echo "Digest: \`${{ steps.build.outputs.digest }}\`"
          } >> "$GITHUB_STEP_SUMMARY"