Adding pool size and max overflow for timeout issue

Author: ssadhu-sl

application/settings.py

@@ -21,6 +21,8 @@ class Settings(BaseSettings):
     GA_MEASUREMENT_ID: Optional[str] = None
     OS_CLIENT_KEY: Optional[str] = None
     OS_CLIENT_SECRET: Optional[str] = None
+    POOL_SIZE: Optional[int] = 10
+    MAX_OVERFLOW: Optional[int] = 20
 
 
 @lru_cache()

migrations/env.py

@@ -65,8 +65,11 @@ def run_migrations_online():
         url = config.get_main_option("sqlalchemy.url")
     else:
         url = get_settings().WRITE_DATABASE_URL
-
-    engine = create_engine(url)
+    engine = create_engine(
+        url,
+        pool_size=get_settings().POOL_SIZE,
+        max_overflow=get_settings().MAX_OVERFLOW,
+    )
     connectable = engine
 
     with connectable.connect() as connection: