nix/nixos/common/services/docker.nix

{ inputs, pkgs, system, ... }: {
    boot.kernel.sysctl = { 
      "fs.inotify.max_user_watches" = 52428800;
      "fs.inotify.max_user_instances" = 4096;

      # Testing...
      "net.core.netdev_max_backlog" = 4000;
      "net.ipv4.tcp_max_syn_backlog" = 4096;
    };

    virtualisation.docker = {
        enable = true;
        enableOnBoot = true;
        autoPrune.enable = true;
        autoPrune.dates = "weekly";
        liveRestore = true;
    };

    environment.systemPackages = with pkgs; [ 
      docker-compose 
      ctop
    ];
  
    # Add the docker telegraf listener
    services.telegraf.extraConfig.inputs.docker = {};
    users.users.telegraf.extraGroups = [ "docker" ];
}