main.yaml

name: Build Docker Image on Tag

on:
  create:
    tags:
      - '*'

permissions:
  packages: write

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v3

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2

    - name: Login to GitHub Container Registry
      uses: docker/login-action@v2
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - id: lower-repo
      shell: pwsh
      run: |
        "::set-output name=repository::$($env:GITHUB_REPOSITORY.ToLowerInvariant())"

    - name: Build and push
      uses: docker/build-push-action@v4
      with:
        context: .
        file: ./Dockerfile
        platforms: linux/amd64,linux/arm64
        push: true
        tags: ghcr.io/${{ steps.lower-repo.outputs.repository }}:latest,ghcr.io/${{ steps.lower-repo.outputs.repository }}:${{ github.ref_name }}