gulp.config.example.json

{
  "ps_test1": {
    "ps_url": "https://pstest1.example.com",
    "api_url": "https://psappstest.example.com"
  },

  "ps_prod": {
    "ps_url": "https://ps.example.com",
    "api_url": "https://psapps.example.com"
  },

  "default_deploy_target": "ps_prod"
}