mongoldb create user

https://docs.mongodb.com/v3.2/reference/method/db.createUser/

{ user: "<name>",
  pwd: "<cleartext password>",
  customData: { <any information> },
  roles: [
    { role: "<role>", db: "<database>" } | "<role>",
    ...
  ]
}

https://docs.mongodb.com/v3.2/reference/built-in-roles/#built-in-roles

https://docs.mongodb.com/v3.2/tutorial/enable-authentication/