diff --git a/database.py b/database.py
index 162c3bd..398c8b7 100644
--- a/database.py
+++ b/database.py
@@ -168,7 +168,9 @@ CREATE INDEX IF NOT EXISTS idx_friendly_names_latest ON friendly_names(actor_id,
 async def init_db():
     """Initialize database connection pool and create schema."""
     global pool
-    pool = await asyncpg.create_pool(DATABASE_URL)
+    if pool is not None:
+        return  # Already initialized
+    pool = await asyncpg.create_pool(DATABASE_URL, min_size=2, max_size=10)
     async with pool.acquire() as conn:
         await conn.execute(SCHEMA_SQL)