name: Build Docker container

permissions:
  packages: write

on:
  push:
  workflow_dispatch:

jobs:
  docker-build:
    runs-on: ubuntu-22.04
    if: ${{ github.repository == 'pret/dsbuild' }}
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
      - name: Login to GHCR
        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Set up QEMU
        uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4.0.0
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
      - name: Get short sha
        id: short-sha
        run: |
          echo "short-sha=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
      - name: Build and push
        uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f # v7.1.0
        with:
          push: ${{ github.actor != 'nektos/act' }}
          tags: |
            ghcr.io/pret/dsbuild:latest,ghcr.io/pret/dsbuild:${{ steps.short-sha.outputs.short-sha }}-${{ github.run_number }}