release.yml

name: Release

on:
  push:
    branches:
      - main

jobs:
  docker:
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read

    steps:
      - name: Ensure lowercase repository name
        run: echo "REPO_LC=${REPO,,}" >> ${GITHUB_ENV}
        env:
          REPO: ${{ github.repository }}

      - 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.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v3
        with:
          context: .
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          push: true
          tags: ghcr.io/${{ env.REPO_LC }}:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max