docker.yml

name: Docker Build
on:
  push:
    branches:
      - "main"
    tags:
      - "v*.*"
    paths-ignore:
      - "README.md"
      - "LICENSE"
  pull_request:
    branches:
      - "main"
  workflow_dispatch:

jobs:
  docker:
    permissions:
      contents: read
      packages: write
    runs-on: ubuntu-latest
    steps:
      -
        name: Checkout
        uses: actions/checkout@v3
      -
        name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          # list of Docker images to use as base name for tags
          images: |
            ghcr.io/${{ github.repository_owner }}/${{ github.event.repository.name }}
          # generate Docker tags based on the following events/attributes
          tags: |
            type=schedule
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=sha
            type=raw,value=latest,enable={{is_default_branch}}
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      -
        name: Login to GHCR
        if: github.ref_name == 'main' || startsWith(github.ref_name, 'v')
        uses: docker/#-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      -
        name: Build and push
        uses: docker/build-push-action@v4
        with:
          context: .
          push: ${{ github.ref_name == 'main' || startsWith(github.ref_name, 'v') }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max