.env.local [work] -

Forgetting to add NEXT_PUBLIC_ or VITE_ can lead to frustrating "undefined" errors when trying to access variables in your React/Vue components.

This means you can set "safe" defaults in .env and override them with your "secret" keys in .env.local . Step 1: Creation .env.local

The .env.local file is a specific "flavor" of these environment files. Its primary characteristics are: Forgetting to add NEXT_PUBLIC_ or VITE_ can lead

Do not use spaces around the = sign. KEY = VALUE will often break the parser. Use KEY=VALUE . Summary .env.local

Add your variables using the KEY=VALUE syntax. Note: If you are using a frontend framework, you often need a prefix (like NEXT_PUBLIC_ or VITE_ ) to expose these variables to the browser.