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Dev tools · March 7, 2026

SV

Safelaunch – Validates your environment before you push to production

It works on my machine" is still the most common deployment bug I kept running into the same stupid deployment issue. Everything works locally. Tests pass. I deploy. Production crashes. After digging through logs for an hour the problem ends up being something simple like: • a missing environment variable • something added to .env.example but not to .env • a config mismatch between environments The most common one for me was forgetting to add a variable locally after adding it to .env.example. So I built a small tool to catch this instantly. It compares .env and .env.example and tells you if…

Safelaunch – Validates your environment before you push to production launched on March 7, 2026 with 8 votes, #1,340 of 23,380 launches that month and more than 75% of that year's launches. The site was not reachable when checked in September 2026.

Visit npmjs.com ↗Alternativestop 6% of March 2026

What it does

In the maker’s words, at launch

It works on my machine" is still the most common deployment bug I kept running into the same stupid deployment issue. Everything works locally. Tests pass. I deploy. Production crashes. After digging through logs for an hour the problem ends up being something simple like: • a missing environment variable • something…

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