.env.development Fixed Jun 2026

: Do not wrap values in quotes unless the value contains a space.

To get the most out of using a .env.development file, follow these best practices:

if (process.env.NODE_ENV === 'development') apiUrl = 'http://localhost:8000'; else if (process.env.NODE_ENV === 'production') apiUrl = 'https://api.myapp.com'; .env.development

NEXT_PUBLIC_API_BASE_URL="http://localhost:3000/api" VITE_GOOGLE_MAPS_API_KEY="AIzaSyD_...123" REACT_APP_FEATURE_FLAG_NEW_UI="true"

Different frameworks have adopted the .env.development pattern with their own conventions. : Do not wrap values in quotes unless

Key capabilities

The .env.development file typically contains "safe" or local-only information. Key examples include: such as API keys

.env.development is a configuration file used by many development tools and frameworks, including Node.js, React, and Next.js. It's a simple text file that stores environment-specific variables, such as API keys, database connections, and other sensitive data.

DB_HOST=localhost DB_PORT=5432 DB_USERNAME=myuser DB_PASSWORD=mypassword API_KEY=your_api_key_here