Nightwatch.js local with phantom.js or on saucelabs

nighwatch.json

{
  "src_folders" : ["tests"],
  "output_folder" : "reports",
  "custom_commands_path" : "",
  "custom_assertions_path" : "",
  "page_objects_path" : "",
  "globals_path" : "",
 
  "selenium" : {
    "start_process" : false,
    "server_path" : "",
    "log_path" : "",
    "host" : "127.0.0.1",
    "port" : 4444,
    "cli_args" : {
      "webdriver.chrome.driver" : "",
      "webdriver.ie.driver" : ""
    }
  },
 
  "test_settings" : {
    "phantom" : {
      "launch_url" : "http://localhost",
        "selenium_port"  : 4444,
      "selenium_host"  : "localhost",
      "silent": true,
      "screenshots" : {
        "enabled" : false,
        "path" : ""
      },
      "desiredCapabilities": {
        "browserName": "phantomjs",
        "javascriptEnabled": true,
        "acceptSslCerts": true
      }
    },
    "saucelabs" : {
      "selenium_host": "ondemand.saucelabs.com",
      "selenium_port": 80,
      "username": "yourname",
      "access_key": "xxxxxxxxxxxx",
      "desiredCapabilities": {
        "browserName": "chrome",
        "platform": "Windows 8.1",
        "version": "40"
      }
    }
  }
}

run.sh

#Need to run these first
# Download Selenium and phantom.js for your platform (You probably want to redirect to a file the following).
java -jar selenium-server-standalone-2.45.0.jar -role hub &
phantomjs --webdriver=8080 --webdriver-selenium-grid-hub=http://0.0.0.0:4444 &
#Download nightwatch.js
#Once the above are running 
#nightwatch --env phantom
#Or
#nightwatch --env saucelabs
#will run the appropriate version