If you aren't using a frontend framework, you can replicate this behavior with the dotenv-flow package.
Master .env.development.local : The Modern Developer's Guide Managing configuration settings is a core part of building modern web applications. Whether you're using React, Next.js, or Node.js, the .env.development.local file is an essential tool for keeping your local development environment secure and flexible. What is .env.development.local ? .env.development.local