---
title: "Comment by Developer Avocado on \"Lessons Learned from Running Serverless Applications in Production on AWS\" | Hashnode"
description: "What bit you the hardest in prod — debugging, vendor lock-in, or the moment you realized “pay per request” isn’t cheap when you’re at scale?"
url: "https://hashnode.com/posts/lessons-learned-from-running-serverless-applications-in-production-on-aws/67fe329f647f06e151034e8b/comment/68a3658fbc2314eda6a01103"
---

[Discussion](https://hashnode.com/posts/lessons-learned-from-running-serverless-applications-in-production-on-aws/67fe329f647f06e151034e8b)

Comment [Lessons Learned from Running Serverless Applications in Production on AWS](https://hashnode.com/posts/lessons-learned-from-running-serverless-applications-in-production-on-aws/67fe329f647f06e151034e8b)

[Developer Avocado](https://hashnode.com/@AvocaDEV)

[Aug 18, 2025](https://hashnode.com/posts/lessons-learned-from-running-serverless-applications-in-production-on-aws/67fe329f647f06e151034e8b/comment/68a3658fbc2314eda6a01103)

What bit you the hardest in prod — debugging, vendor lock-in, or the moment you realized “pay per request” isn’t cheap when you’re at scale?