{ lib, pkgs, config, ... }:
{
  services.grafana.provision.datasources.settings.datasources = [
    {
      name = "Loki";
      uid = "loki-datasource-uid"; # Stable UID
      type = "loki";
      url = "http://localhost:3100"; # Loki's local address
      access = "proxy"; # Grafana proxies requests
      isDefault = false; # Can be set to true if desired
      jsonData = {
        # Loki-specific options (e.g., derivedFields) can go here
      };
      editable = false; # Recommended for provisioned datasources
    }
  ];
}