app/cores/database.py

from typing import final

from sqlalchemy import create_engine
from sqlalchemy.orm import declarative_base, sessionmaker

from app.cores.config import settings

SQLALCHEMY_DATABASE_URL = f"postgresql://{settings.DATABASE_USERNAME}:{settings.DATABASE_PASSWORD}@{settings.DATABASE_HOSTNAME}:{settings.DATABASE_PORT}/{settings.DATABASE_NAME}"

engine = create_engine(SQLALCHEMY_DATABASE_URL)
SessionLocal = sessionmaker(autocommit=False,autoflush=False,bind=engine)
Base = declarative_base()

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