.env.development Jun 2026

Note: In many frontend frameworks, custom variables must be prefixed (e.g., REACT_APP_ for React or VITE_ for Vite) to be accessible in your code.

The .env.development file is an environment-specific configuration file used to store variables—such as API keys, database URLs, and feature flags—that should only be active during . Core Purpose & Usage .env.development

The team keeps a .env.development file with: Note: In many frontend frameworks, custom variables must

Create an .env with vanilla defaults. Then, load .env.development to override. Finally, load .env.local for machine-specific overrides. Note: In many frontend frameworks