nix-config/hosts/containers/mongo/configuration.nix

# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

{ config, pkgs, lib, ... }:

{
  imports = [
    ../../../lib
    ../../../lib/lxc-container.nix
    ../../../lib/shared.nix
    ../../../lib/admins.nix
  ];

  environment.systemPackages = with pkgs; [ mongodb-tools ];

  networking = {
    hostName = "mongo";
    interfaces.eth0.ipv4.addresses = [{
      address = "172.20.73.21";
      prefixLength = 26;
    }];
    defaultGateway = "172.20.73.1";
    firewall = {
      allowedTCPPorts = [ 22 27017 ];
      enable = true;
    };
  };

  services.openssh = {
    enable = true;
  };

  services.mongodb = {
    enable = true;
    bind_ip = "0.0.0.0";
    dbpath = "/srv/mongodb";
  };

  system.stateVersion = "19.03"; # Did you read the comment?

}