build.yaml

name: ghcr
on:
  push:
    branches:
      - '*'
  pull_request:
    branches:
      - main

jobs:
  release:
    name: ghcrbuild
    if: ${{ github.event_name != 'pull_request' }}
    runs-on: ubuntu-latest
    steps:
      - name: checkout
        uses: actions/checkout@v2
      - name: set up buildx
        uses: docker/setup-buildx-action@v1
      - name: construct image metadata
        id: meta
        uses: crazy-max/ghaction-docker-meta@v2
        with:
          images: |
            ghcr.io/${{ github.repository }}
          tags: |
            type=sha
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=sha
      - name: login to ghcr
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}