publish.yml

name: publish

on:
  push:
    branches:
      - "master"

jobs:
  build:
    name: "Publish"
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        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: ${{ secrets.GITHUB_TOKEN }}
      - name: Set environment variables for docker build
        run: |
          # Lowercase repo for Github Container Registry
          echo "REPO=${GITHUB_REPOSITORY,,}" >> ${GITHUB_ENV}
      - name: "Build:dockerimage"
        uses: docker/build-push-action@v3
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ghcr.io/${{ env.REPO }}:latest