Fix: compose: http: use a fixed IP address

      context: httpd

      dockerfile: Dockerfile

    # Use a fixed IP address due to a bug in Arti that prevents the use of

    # hostnames in the configuration:

    # https://gitlab.torproject.org/tpo/core/arti/-/issues/1921

    networks:

      onimages:

        ipv4_address: 10.89.1.2

  arti:

    #image: "onimages/arti:alpine"

    image: "containers.torproject.org/tpo/onion-services/onimages/arti:alpine"