Merge pull request #1525 from alphagov/rc_add_sqlalchemy_config_staging

Add back in SQLALCHEMY config changes on staging

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: {