{ pkgs, ... }:
{
  systemd.services.learnlytics-avatar = {
    description = "Learnlytics Avatar Upload Server";
    wantedBy = [ "multi-user.target" ];
    after = [
      "network.target"
      "postgrest.service"
    ];
    serviceConfig = {
      ExecStart = "${pkgs.python3}/bin/python3                             
  /etc/learnlytics/avatar_server.py";
      WorkingDirectory = "/etc/learnlytics";
      Restart = "on-failure";
      User = "postgres"; # or whatever user runs postgrest
      StateDirectory = "learnlytics";
    };
  };
}