is-docker (2.2.1)

2026-02-24T13:58:23Z

Setup this registry in your project .npmrc file:

registry=

To install the package using npm, run the following command:

npm install is-docker@2.2.1

or add it to the package.json file:

"is-docker": "2.2.1"

For more information on the npm registry, see the documentation.

is-docker

Check if the process is running inside a Docker container

$ npm install is-docker

const isDocker = require('is-docker');

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

$ is-docker

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

Development Dependencies

detect docker dockerized container inside is env environment process

Details

npm

2026-02-24 13:58:23 +00:00

1

Sindre Sorhus

MIT

latest

1.6 KiB

Assets (1)

is-docker-2.2.1.tgz 1.6 KiB

Versions (1) View all

2.2.1

2026-02-24