{
  config,
  pkgs,
  lib,
  ...
}: {
  services.mongodb = {
    enable = true;
    package = pkgs.mongodb-4_4;
    user = "toast";
  };

  # Don't autostart MySQL
  systemd.services.mongodb.wantedBy = lib.mkForce [];

  # Allow regular users to start/stop mongodb
  # https://stackoverflow.com/questions/61480914/using-policykit-to-allow-non-root-users-to-start-and-stop-a-service
  security.polkit.extraConfig = ''
    polkit.addRule(function(action, subject) {
    	if (
    		action.id == "org.freedesktop.systemd1.manage-units" &&
    		action.lookup("unit") == "mongodb.service" &&
    		subject.user == "${config.services.mongodb.user}"
    	)
    	{
    		return polkit.Result.YES;
    	}
    })
  '';

  environment.systemPackages = with pkgs; [
    mongosh
  ];
}