reduced concurrency limits for better user experience

fly.toml

@@ -25,8 +25,8 @@ strategy = "canary"
   protocol = "tcp"
   script_checks = []
   [services.concurrency]
-    hard_limit = 50
-    soft_limit = 30
+    hard_limit = 30
+    soft_limit = 20
     type = "connections"
 
   [[services.ports]]