The lessons we’re sharing in this post aren’t just https://urlz.fr/toKf theoretical—they come straight from our team’s real-world experience building and running AWS serverless apps in production.
Like many, we were initially drawn in by the promises of scalability and simplicity. But once we moved beyond the "Hello World" stage and went live, we quickly realized there were some serious challenges we hadn’t expected. Debugging distributed systems with minimal logs was frustrating. We were caught off guard by sudden cost spikes.
Cold starts impact the user experience. Error handling and retries turned out to be more complicated than we imagined. And, eventually, we discovered that trying to manage everything manually wasn’t going to work in the long run. Every lesson in this post comes from tackling these issues head-on, and we’re sharing the solutions we developed to make things run smoothly.
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