powerdns-admin/.github/workflows/build-and-publish.yml

name: 'Docker Image Publish'

on:
  workflow_dispatch:
  push:
    branches:
      - 'master'
    tags:
      - 'v*.*.*'

jobs:
  build-and-push-docker-image:
    name: Build / Publish Docker Image
    runs-on: ubuntu-latest

    steps:
      - name: Repository Checkout
        uses: actions/checkout@v2

      - name: Docker Image Metadata
        id: meta
        uses: docker/metadata-action@v3
        with:
          images: |
            powerdnsadmin/pda-legacy            
          tags: |
            type=ref,event=tag
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}            

      - name: Docker Buildx Setup
        id: buildx
        uses: docker/setup-buildx-action@v1

      - name: Docker Hub Authentication
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME_V2 }}
          password: ${{ secrets.DOCKERHUB_TOKEN_V2 }}

      - name: Docker Image Build
        uses: docker/build-push-action@v2
        if: github.ref == 'refs/heads/master'
        with:
          context: ./
          file: ./docker/Dockerfile
          push: true
          tags: powerdnsadmin/pda-legacy:latest

      - name: Docker Image Release Tagging
        uses: docker/build-push-action@v2
        if: ${{ startsWith(github.ref, 'refs/tags/v') }}
        with:
          context: ./
          file: ./docker/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}