docker-publish.yml

name: Docker

on:
  push:
    branches: ["main"]
    # Publish semver tags as releases.
    tags: ["v*.*.*"]
  pull_request:
    branches: ["main"]

env:
  # Use docker.io for Docker Hub if empty
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}

jobs:
  docker-build:
    runs-on: ubuntu-latest
    steps:
      # Checkout the repo
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      # Set up QEMU for Arm64
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      # Login into GitHub Container Registry except on PR
      - name: Log into registry ${{ env.REGISTRY }}
        # if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Extract metadata (tags, labels) for Docker
      - name: Extract Docker metadata (release)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          flavor: |
            latest=auto
          tags: |
            type=semver,pattern={{version}}
            type=raw,value=dev

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          platforms: linux/amd64,linux/arm64
          # push: ${{ github.event_name != 'pull_request' }}
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          context: .