docker-build-push.yaml

name: "Build-&-Push-Docker-Image"

# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.

on:
  push:
    branches:
      - 'main'
      - 'develop'
    tags:
      - 'v*.*.*'
  pull_request:
    branches:
      - 'main'
      - 'dev'

env:
  # Use docker.io for Docker Hub if empty
  REGISTRY: ghcr.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}


jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
    # Get the repository's code
    - name: Checkout
      uses: actions/checkout@v3

    # https://github.com/docker/setup-qemu-action
    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2

    # https://github.com/docker/setup-buildx-action
    - name: Set up Docker Buildx
      id: buildx
      uses: docker/setup-buildx-action@v1

    - name: Login to GHCR
      if: github.event_name != 'pull_request'
      uses: docker/login-action@v2
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Docker meta
      id: meta # you'll use this in the next step
      uses: docker/metadata-action@v4
      with:
        # list of Docker images to use as base name for tags
        images: |
          ${{env.REGISTRY}}/${{env.IMAGE_NAME}}
        # Docker tags based on the following events/attributes
        tags: |
          type=ref,event=branch
          type=semver,pattern={{version}}
          type=semver,pattern={{major}}.{{minor}}
          type=semver,pattern={{major}}
          type=sha

    - name: Build and push
      uses: docker/build-push-action@v3
      with:
        context: .
        platforms: linux/amd64,linux/arm64
        push: ${{ github.event_name != 'pull_request' }}
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}