Directory Structure

If You Ever Worked on Laravel (PHP Framework), this structure will look familier.

root-directory
├── backend // all your server related stuff goes here
│   ├── app 
│   │   ├─ http
│   │   │   └── controller
│   │   ├── models // all database models will lie here
│   │   └── providers    
│   ├── config // project related configuration
│   ├── database // migrations will be stores here
│   ├── email // email settings
│   ├── routes // register your routes here
│   └── views // for email and other server related views
└── frontend // all your client related stuff goes here