.env.development.local -

: Specifies that these variables should only load when the application is running in development mode (e.g., executing npm run dev or vite ).

Create a client component that safely uses the NEXT_PUBLIC_ variable. .env.development.local

# OAuth Callback URLs (pointing to localhost) GOOGLE_CLIENT_ID=your-google-client-id.apps.googleusercontent.com GOOGLE_CLIENT_SECRET=your-google-client-secret : Specifies that these variables should only load