{ config, lib, ... }: {
  options.snowflake.services.redis = {
    enable = lib.mkEnableOption "Enable redis configuration";

    servers = lib.mkOption {
      type = lib.types.attrsOf (lib.types.submodule {
        options = {
          enable = lib.mkOption {
            type = lib.types.bool;
            default = true;
            description = "whether to enable this particular redis server.";
          };
          port = lib.mkOption {
            type = lib.types.port;
            description = "port number to host this redis on.";
          };
        };
      });
    };
  };

  config = lib.mkIf config.snowflake.services.redis.enable {
    services.redis.servers = lib.mapAttrs (redisname: redisCfg: {
      enable = redisCfg.enable;
      port = redisCfg.port;
    }) config.snowflake.services.redis.servers;
  };
}