const envPath = path.join(process.cwd(), '.env.development.local'); const content = fs.readFileSync(envPath, 'utf-8');

The .env.development.local file is a powerful tool for creating a tailored, secure development environment. By allowing developers to customize their local setups without risking the exposure of secrets or disrupting the shared codebase, it ensures that the development workflow remains both flexible and robust.

: Standard templates automatically include this file in .gitignore to prevent sensitive credentials (like personal API keys or local database passwords) from leaking into the repository.

.env.development.local file is used to store local-specific environment variable overrides that only apply during the development phase. It is commonly found in frameworks like Create React App Core Purpose & Best Practices Local Overrides

To wield this powerful file safely and effectively, follow these rules: