├── bin
│   └── server.js            # Bootstrapping and entry point
├── config                   # Server configuration settings
│   ├── env                  # Environment specific config
│   │   ├── common.js
│   │   ├── development.js
│   │   ├── production.js
│   │   └── test.js
│   ├── index.js             # Config entrypoint - exports config according to envionrment and commons
│   └── passport.js          # Passportjs config of strategies
├── src                      # Source code
│   ├── modules
│   │   ├── controller.js    # Module-specific controllers
│   │   └── router.js        # Router definitions for module
│   ├── models               # Mongoose models
│   └── middleware           # Custom middleware
│       └── validators       # Validation middleware
└── test                     # Unit tests