text: import os
  from fastapi import FastAPI
  from config import Config
  from sqlalchemy.orm import declarative_base, sessionmaker
  from sqlalchemy import create_engine
  
  app = FastAPI()
  app.description = 'It\'s CapsApi, API for internet shop of caps'
  
  conf = Config()
  
  from dev.vkauth_test import *
  
  ## NOTE(annad): `Base.metadata.create_all(DBEngine)` for add in base tables, ORM.
  Base = declarative_base()
  DBEngine = create_engine(conf.SQLALCHEMY_DATABASE_URL, echo=conf.SQLALCHEMY_ECHO)
  DBSession = sessionmaker(
      binds = {
          Base: DBEngine
      },
      expire_on_commit=False
  )
  
  