on: [push]
jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - name: Host distro
        run: |
          distro=$(. /etc/os-release && echo "$PRETTY_NAME")
          echo "Hello from host: $distro"
      - name: Run something in Alpine
        uses: docker://alpine:3.20
        run: echo "Hello from inside Alpine"
      - name: Run something in ArchBtw
        uses: docker://archlinux:base
        run: echo "Hello from inside ArchBtw"
      - run: echo "Back on the host runner again"