name: Build on push

permissions:
  packages: write

on:
  push:
    branches:
      - master

jobs:
  build:
    name: Build image
    runs-on: ubuntu-22.04

    steps:
      - name: Checkout project
        uses: actions/checkout@v3

      - name: Set env variables
        run: |
          echo "BRANCH=$(echo ${GITHUB_REF#refs/heads/} | sed 's/\//-/g')" >> $GITHUB_ENV
          IMAGE_NAME="${GITHUB_REPOSITORY#*/}"
          echo "IMAGE_NAME=${IMAGE_NAME//docker-/}" >> $GITHUB_ENV

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
        id: qemu

      - name: Setup Docker buildx action
        uses: docker/setup-buildx-action@v2
        id: buildx

      - name: Run Docker buildx
        run: |
          docker buildx build \
          --platform linux/amd64,linux/arm64 \
          --tag ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME:latest \
          --output "type=registry" ./