docker-build.yaml

name: docker-build

on:
  push:
    tags:
      - "[0-9]+\\.[0-9]+\\.[0-9]+"
    branches:
      - master
  pull_request:
    branches:
      - master
  release:
    types:
      - published

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  docker-build:
    name: Build and push container images
    runs-on: ubuntu-latest
    steps:
      - name: Check out repo
        uses: actions/checkout@v2
      - name: Export git tag
        uses: tenhaus/get-release-or-tag@v2
        id: tag
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            # default branch event
            type=edge,branch=${{ github.event.repository.default_branch }},priority=700
            type=sha,format=long,branch=${{ github.event.repository.default_branch }},priority=100
            # tag event
            type=semver,pattern={{version}},event=tag,priority=900
            type=semver,pattern={{major}},event=tag,priority=850
            type=semver,pattern={{major}}.{{minor}},event=tag,priority=800
            type=sha,format=long,event=tag,priority=100
            # pr event
            type=ref,event=pr,priority=600

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Login to ghcr.io
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build image
        uses: docker/build-push-action@v2
        with:
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}