database.py

import os
from dotenv import load_dotenv
from sqlalchemy import create_engine, Column, Integer, String, ForeignKey, Boolean, DateTime
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
load_dotenv()
SQLALCHEMY_DATABASE_URL = os.getenv("SQLALCHEMY_DATABASE_URL")


engine = create_engine(
    SQLALCHEMY_DATABASE_URL,
    pool_size=10,
    max_overflow=20,
    pool_timeout=30,
    pool_recycle=1800,
)

Base = declarative_base()
Base.metadata.create_all(bind=engine)
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)


def get_db():
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()