Turbo application directory tree skeleton is below:

├── app-server
├── conf
├── db
├── helpers
├── models
└── test

models is made of datebase sechema, each package in models represents one mongodb databse instance.

app-server is a web app, not python package, turbo application can have one or many app-server, each with different name.

helpers is model instance, responsible for business logic.

db is support for mongodb connections