name: ci

on:
  push:
    branches:
      - master

env:
  REGISTRY: ${{ github.api_url != 'https://api.github.com' && 'git.froth.zone' || 'ghcr.io' }}
  IMAGE_NAME: ${{ github.repository }}

jobs:
  docker:
    runs-on: ubuntu-latest
    container:
      image: catthehacker/ubuntu:act-latest
    permissions:
      contents: read
      packages: write
    steps:
      - id: lowercase
        run: |
          echo REGISTRY=$(echo $REGISTRY | tr '[:upper:]' '[:lower:]') >> "${GITHUB_ENV}"
      - id: lowercase-2
        run: |
          echo IMAGE_NAME=$(echo $IMAGE_NAME | tr '[:upper:]' '[:lower:]') >> "${GITHUB_ENV}"
      - name: Checkout
        uses: actions/checkout@v4
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          platforms: linux/amd64
          push: true
          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest