Installation

This tool can be used as global executable, or as a dependency within an existing project. You can install it with:

npm

# install as global package
npm install -g dotenv-subst

# or as local dependency
npm install -D dotenv-subst

pnpm

# install as global package
pnpm add -g dotenv-subst

# or as local dependency
pnpm add -D dotenv-subst

yarn

# install as global package
yarn global add dotenv-subst

# or as local dependency
yarn add -D dotenv-subst

bun

# install as global package
bun add -g dotenv-subst

# or as local dependency
bun add -D dotenv-subst

Prerequisites

• Node.js version ^22.14 or ^23.10.

🔍 Further Reading

• Check out the supported syntax for defining interpolation variables in your source files.

• See the instructions on CLI usage to learn how to use the tool, or browse the examples section for practical usage scenarios.