Why I Stopped Maintaining .env.example by Hand

Every Node.js project I've worked on has the same failure mode: a new developer clones the repo, runs npm install , tries to start the server, and gets a cryptic error because some environment variable is missing. .env.example is out of date. Again. Here's the tool I'm building to fix that. The specific pain point You add DATABASE_URL to your code on Tuesday. You forget to add it to .env.example . Three weeks later, someone's production deploy fails because they copied .env.example and missed the new variable. The fix is always: "oh, add that to .env.example ." Then you spend twenty minutes figuring out which variables are actually needed, checking the code, checking the deployment docs, hoping nothing was added after the last time someone updated the example file. The real problem: nothing tells you .env.example is missing a variable until something breaks. The stale .env.example is a silent bug. It doesn't fail when you commit it. It fails three weeks later in someone else's environm