docker-build-push/.github/workflows/example.yml

# This workflow is provided just as an example and not for repo testing/verification
name: example

on:
  schedule:
    - cron: '0 10 * * 0'
  push:
    branches:
      - '**'
    tags:
      - 'v*.*.*'
  pull_request:

env:
  DOCKER_IMAGE: localhost:5000/name/app

jobs:
  docker:
    runs-on: ubuntu-latest
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2
      -
        name: Docker meta
        id: meta
        uses: docker/metadata-action@v3
        with:
          images: ${{ env.DOCKER_IMAGE }}
          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            
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
        with:
          driver-opts: network=host
      -
        name: Build and export to Docker client
        uses: ./
        with:
          context: ./test
          file: ./test/Dockerfile
          load: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
      -
        name: Build and push to local registry
        uses: ./
        with:
          context: ./test
          file: ./test/Dockerfile
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
      -
        name: Inspect image
        run: |
          docker image inspect ${{ env.DOCKER_IMAGE }}:${{ steps.meta.outputs.version }}          
      -
        name: Check manifest
        if: github.event_name != 'pull_request'
        run: |
          docker buildx imagetools inspect ${{ env.DOCKER_IMAGE }}:${{ steps.meta.outputs.version }}          
      -
        name: Dump context
        if: always()
        uses: crazy-max/ghaction-dump-context@v1