.env.local.production !!better!! Jun 2026

Next.js follows a similar order:

STRIPE_SECRET_KEY="sk_live_12345..."

Let's say you're building a web application that uses a third-party API to authenticate users. In your .env file, you have the following environment variable: .env.local.production

The file .env.local.production is a specific configuration file used to define environment variables that apply specifically to but are intended to remain local to the developer's machine (or the build agent) and are excluded from version control. It falls into a gap in the file-loading pattern

Because this name combines features of two distinct file types, it will be ignored by almost all major frameworks. It falls into a gap in the file-loading pattern. As a result, placing variables in a file named .env.local.production will usually mean those variables are never loaded. In the world of modern web development—especially within

Your framework compiles the app using production optimizations and sets NODE_ENV to production .

In the world of modern web development—especially within ecosystems like , Vite , and Nuxt —managing configuration is a balancing act. You need to keep your API keys secret, your database URLs flexible, and your workflow seamless.