text: from typing import List
  
  from fastapi import Depends, FastAPI, HTTPException
  from fastapi.middleware.cors import CORSMiddleware
  from sqlalchemy.orm import Session
  from starlette.responses import RedirectResponse
  
  from . import models, schemas
  from .database import SessionLocal, engine
  
  engine = sqlalchemy.create_engine(
      DATABASE_URL, connect_args={"check_same_thread": False}
  )
  #metadata.create_all(engine)
  
  models.Base.metadata.create_all(bind=engine)
  
  app = FastAPI()
  
  
  app.add_middleware(
      CORSMiddleware,
      allow_origins=["*"],
      allow_methods=["*"],
      allow_headers=["*"],
      allow_credentials=True,
  )
  
  # Dependency
  def get_db():
      try:
          db = SessionLocal()
          yield db
      finally:
          db.close()
  
  
  @app.get("/")
  def main():
      return RedirectResponse(url="/docs/")
  
  
  @app.get("/records/", response_model=List[schemas.Record])
  def show_records(db: Session = Depends(get_db)):
      records = db.query(models.Record).all()
      return records