.env.development.local

This article is a deep exploration of what .env.development.local is, why it exists, how it interacts with other .env files, and crucially, how to use it without accidentally leaking sensitive data to your production environment or version control system.

: Ensure this file is listed in your .gitignore . Never commit it to a repository. .env.development.local

Then in .vscode/tasks.json :