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dotenv

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dotenv

Loads environment variables from .env file

  • 16.4.7
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What is dotenv?

The dotenv npm package is used to load environment variables from a .env file into process.env, providing a convenient way to configure your application's environment during development. It helps in managing sensitive credentials and configuration options by keeping them out of the codebase.

What are dotenv's main functionalities?

Basic Configuration

This is the simplest use case for dotenv. By calling `require('dotenv').config();`, dotenv reads the .env file, parses the contents, and loads them into `process.env`. After this, environment variables can be accessed using `process.env.VAR_NAME`.

require('dotenv').config();

Custom Path

If your .env file is not located in the root directory or you have multiple .env files, you can specify a custom path to your .env file using the `path` option.

require('dotenv').config({ path: '/custom/path/to/.env' });

Debugging

To assist in debugging, you can enable debug output by setting the `debug` option to `true`. This will log any errors to the console while reading the .env file.

require('dotenv').config({ debug: process.env.DEBUG });

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Package last updated on 03 Dec 2024

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