23 lines
498 B
Python
23 lines
498 B
Python
import os
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from sqlalchemy import create_engine
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from sqlalchemy.orm import DeclarativeBase, sessionmaker
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DATABASE_URL = os.environ["DATABASE_URL"]
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engine = create_engine(DATABASE_URL, pool_pre_ping=True)
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SessionLocal = sessionmaker(bind=engine, autocommit=False, autoflush=False)
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class Base(DeclarativeBase):
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pass
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def get_db():
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"""FastAPI dependency — yields a DB session and closes it when done."""
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db = SessionLocal()
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try:
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yield db
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finally:
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db.close()
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