This is what I've been trying to do for over a decade - you can go even further with tee-testing by making a copy of the live traffic you run in a sandbox environment and match responses against. Obviously you can't do some things in the sandbox, email and payments high on that list, but e.g. payment gateway responses can be "borrowed" from production.

Once your new version has no disagreements, it's a really clean swap. I am working towards developing this way and I think, if taken to extremes and carefully, it can remove the review requirement most of the time.

How do you know its handbuilt?

Seems like a great fit for LLM - extensive documentation, plus a live system it can probe against freely to match the behavior.

29,000 commits in a month is crazy

I mean, if they're using it internally then there's probably a TON of context you can feed these things to converge on approximately-correct solutions. Certainly it sounds like it can be a much better alternative to Localstack/Floci and friends.

Hey, I'm one of the MiniStack maintainers. We'll definitely keep maintaining and running MiniStack. We're already well established, with many companies using it, including NVIDIA, NASA, Block, and others.

Until the AWS emulator can match all our current capabilities, such as multi-account, multi-region, IAM, running IaC, etc., we'll still be around

One of our core principles has always been to focus on supporting only the most commonly used services

looks like ministack made an announcment