Check if the process is running inside a Docker container

### Breaking

- Require Node.js 12.20  4358e61
- This package is now pure ESM. Please [read this](https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c).

https://github.com/sindresorhus/is-docker/compare/v2.2.1...v3.0.0

sindresorhus

is-docker

# is-docker

> Check if the process is running inside a Docker container

## Install

```
$ npm install is-docker
```

## Usage

```js
import isDocker from 'is-docker';

if (isDocker()) {
	console.log('Running inside a Docker container');
}
```

## CLI

```
$ is-docker
```

Exits with code 0 if inside a Docker container and 2 if not.


is-docker

Breaking

is-docker

Install

Usage

CLI

Keywords

FAQs

What is is-docker?

Is is-docker popular?

Is is-docker well maintained?