Added SQLALCHEMY settings to staging for db connections

- Updated SQLALCHEMY_POOL_TIMEOUT timeout idle connections after  30 secs
- Updated SQLALCHEMY_POOL_RECYCLE to receyle the connection every 5 mins

app/config.py

@@ -414,6 +414,8 @@ class Staging(Config):
     API_RATE_LIMIT_ENABLED = True
     CHECK_PROXY_HEADER = True
     REDIS_ENABLED = True
+    SQLALCHEMY_POOL_TIMEOUT = 30
+    SQLALCHEMY_POOL_RECYCLE = 300
 
     API_KEY_LIMITS = {
         KEY_TYPE_TEAM: {