.
├── __tests__               # Automated tests (alternatively `spec` or `tests`)
├── docs                    # Documentation files (alternatively `doc`)
├── src                     # Source files (alternatively `lib` or `app`)
|   ├── app     
|   |   ├── controllers     # Controllers folder
|   |   ├── middleware      # Middleware folder
|   |   └── models          # Models folder
|   ├── config              # Database and app config
|   └── database    
|       └── migragrions     # Migragion folder
├── .env                    # .env development/production environment variables file
├── .env.test               # .env test environment variables file
├── .gitignore              # .gitignore
├── LICENSE
├── package.json            # Dependences info.
└── README.md