Initial commit

backend/app/core/database.py

@@ -0,0 +1,38 @@
+from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+from app.core.config import settings
+
+# PostgreSQL 연결 URL 변환 (asyncpg 사용)
+DATABASE_URL = settings.DATABASE_URL
+if DATABASE_URL.startswith("postgresql://"):
+    DATABASE_URL = DATABASE_URL.replace("postgresql://", "postgresql+asyncpg://")
+
+engine = create_async_engine(
+    DATABASE_URL,
+    echo=settings.DEBUG,
+    future=True,
+    pool_pre_ping=True,
+    pool_size=10,
+    max_overflow=20,
+    connect_args={
+        "timeout": 60,
+        "command_timeout": 60,
+    }
+)
+
+AsyncSessionLocal = sessionmaker(
+    engine,
+    class_=AsyncSession,
+    expire_on_commit=False,
+)
+
+Base = declarative_base()
+
+
+async def get_db():
+    async with AsyncSessionLocal() as session:
+        try:
+            yield session
+        finally:
+            await session.close()