MiniStack v1.0.4: API Gateway v2, Lambda Warm Workers, SNS SQS Fanout, State Persistence

MiniStack is a free, open-source, MIT-licensed drop-in replacement for LocalStack — 21 AWS services on a single port, no account, no license key, no telemetry. v1.0.4 is out today. This post covers everything that landed across the v1.0.2–v1.0.4 wave: the big features, the architectural decisions behind them, and the fixes that got us to a clean 379-test run. docker run -p 4566:4566 nahuelnucera/ministack Why this exists LocalStack moved its core services behind a paid plan. If you were using LocalStack Community for local dev and CI/CD, you now hit a paywall for S3, SQS, Lambda, and most things that matter. MiniStack covers the same surface — and goes further in a few areas — at $0, MIT licensed, forever. The full comparison is on ministack.org , but the short version: same developer experience, 150 MB image vs ~1 GB, ~30 MB RAM at idle vs ~500 MB, ~2 s startup vs 15–30 s. What shipped in v1.0.2–v1.0.4 API Gateway HTTP API v2 — full control plane + data plane This was the biggest miss