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.
Minimize the use of NEXT_PUBLIC_ variables to protect infrastructure setups and prevent malicious API exploitation.
: This file is intended to stay on your machine. You should add it to your .gitignore to prevent sensitive production keys from being committed to your repository. .env.local.production
Follow this protocol to safely implement and utilize localized production configurations in your Next.js project. Step 1: Update Your .gitignore
Sometimes you need environments beyond development , production , and test , such as staging or qa . Most frameworks support this by allowing you to set NODE_ENV to your custom mode. In the world of modern web development—especially within
your-nextjs-app/ ├── .env # Base defaults (committed) ├── .env.local # Local overrides for all environments (git-ignored) ├── .env.development # Development defaults (committed) ├── .env.production # Production defaults (committed) ├── .env.test # Test defaults (committed) ├── .env.development.local # Dev-specific local overrides (git-ignored) ├── .env.production.local # Prod-specific local overrides (git-ignored) └── .env.test.local # Test-specific local overrides (git-ignored)
, not in your codebase. This file can contain production-specific overrides that are injected during deployment. : This file is intended to stay on your machine
You want to run your application locally (e.g., next start or vite preview ) but want to use the live API endpoints, production database keys, or analytics tokens 1.2.5 .
First, install zod :