nightwatch.json

{
  "src_folders" : ["tests"],
  "output_folder" : "reports",
  "custom_commands_path" : "",
  "custom_assertions_path" : "",
  "page_objects_path" : "",
  "globals_path" : "",
  "selenium" : {
    "start_process" : true,
    "server_path" : "/path-to/selenium-server-standalone-2.47.1.jar",
    "log_path" : "",
    "host" : "127.0.0.1",
    "port" : 4444,
    "cli_args" : {
      "webdriver.chrome.driver" : "",
      "webdriver.ie.driver" : ""
    }
  },
  "test_settings" : {
    "default" : {
      "launch_url" : "http://localhost:8080",
      "selenium_port"  : 4444,
      "selenium_host"  : "localhost",
      "silent": true,
      "screenshots" : {
        "enabled" : false,
        "path" : ""
      },
      "globals": {
        "waitForConditionTimeout": 30000
      },
      "desiredCapabilities": {
        "browserName": "firefox",
        "javascriptEnabled": true
      }
    }
  }
}