snapshot of https://github.com/RocketChat/Rocket.Chat.git (develop, 2026-09-16; blobs > 131072B omitted)

apps/meteor/server/lib/utils/functions/isDocker.ts

@@ -0,0 +1,31 @@
+import fs from 'node:fs';
+
+function hasDockerEnv(): boolean {
+	try {
+		fs.statSync('/.dockerenv');
+		return true;
+	} catch (err) {
+		return false;
+	}
+}
+
+function hasDockerCGroup(): boolean {
+	try {
+		return fs.readFileSync('/proc/self/cgroup', 'utf8').indexOf('docker') !== -1;
+	} catch (err) {
+		return false;
+	}
+}
+
+function check(): boolean {
+	return hasDockerEnv() || hasDockerCGroup();
+}
+
+let _isDocker: boolean;
+export const isDocker = function (): boolean {
+	if (_isDocker === undefined) {
+		_isDocker = check();
+	}
+
+	return _isDocker;
+};