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backend/core/database.py

@@ -0,0 +1,22 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import DeclarativeBase, sessionmaker
+
+from core.config import DATABASE_URL
+
+engine = create_engine(
+  DATABASE_URL,
+  pool_size=10,
+  max_overflow=20,
+  pool_timeout=30,
+)
+SessionLocal = sessionmaker(bind=engine)
+
+class Base(DeclarativeBase):
+  pass
+
+def get_db():
+  db = SessionLocal()
+  try:
+    yield db
+  finally:
+    db.close()