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Current File : //proc/self/root/usr/local/lib/node_modules/@google/gemini-cli/node_modules/is-docker/index.js

import fs from 'node:fs';

let isDockerCached;

function hasDockerEnv() {
	try {
		fs.statSync('/.dockerenv');
		return true;
	} catch {
		return false;
	}
}

function hasDockerCGroup() {
	try {
		return fs.readFileSync('/proc/self/cgroup', 'utf8').includes('docker');
	} catch {
		return false;
	}
}

export default function isDocker() {
	// TODO: Use `??=` when targeting Node.js 16.
	if (isDockerCached === undefined) {
		isDockerCached = hasDockerEnv() || hasDockerCGroup();
	}

	return isDockerCached;
}