dotenv — Node.js Environment Variable Loader

dotenv is a zero-dependency module that loads environment variables from a .env file into process.env.

Use Cases

Use when users need to load .env files, configure environment variables, handle API keys and sensitive configuration, set up multi-environment variables, or use dotenv/dotenvx. Trigger words include "dotenv," "environment variables," "env file," "dotenvx," "process.env," "encrypted env," etc.

Installation

npm install dotenv
# or
bun add dotenv
yarn add dotenv
pnpm add dotenv