.env.local.production Jun 2026

If you place a variable inside .env.local.production with these prefixes, it be visible to anyone inspecting your website source code once the build is generated. Server-Only Variables

What happens if you have both .env.local and .env.production.local ? .env.local.production

Vite uses dotenv under the hood but has a slightly different loading order. If you place a variable inside

Modern frameworks load environment files using a strict priority system. If a variable is defined in multiple files, the file with the highest priority overrides the others. when to use it

This comprehensive guide explores what .env.local.production is, how it fits into your configuration hierarchy, when to use it, and security best practices to protect your production environment. What is .env.local.production ?

: Declares that this file contains key-value pairs representing environment variables.