name: Build Docker Image

on:
  push:
  workflow_dispatch:

permissions:
  contents: read
  packages: write

jobs:
  docker:
    runs-on: ubuntu-latest
    if: github.repository != 'lillithkt/template'
    env:
        REPO: ${{ github.repository.name }}
    steps:
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3.6.0
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3.10.0
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3.4.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: downcase REPO
        shell: bash
        run: |
          echo "REPO=${GITHUB_REPOSITORY##*/}" >>${GITHUB_ENV}
      - name: Build and push
        uses: docker/build-push-action@v6.15.0
        with:
          push: true
          file: Dockerfile
          platforms: linux/amd64
          tags: ghcr.io/lillithkt/${{ env.REPO }}:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max