docker-build.yml

name: Docker build image on release

on:
    push:
        branches:
        - 'main'

jobs:
  docker:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Set repo name lowercase
        id: repo
        uses: ASzc/change-string-case-action@v2
        with:
          string: ${{ github.repository }}
      - name: Checkout
        uses: actions/checkout@v3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          push: true
          tags: ghcr.io/${{ steps.repo.outputs.lowercase }}:latest