34 lines
608 B
JavaScript
34 lines
608 B
JavaScript
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;
|
|
}
|
|
}
|
|
|
|
function hasDockerMountInfo() {
|
|
try {
|
|
return fs.readFileSync('/proc/self/mountinfo', 'utf8').includes('/docker/containers/');
|
|
} catch {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
export default function isDocker() {
|
|
isDockerCached ??= hasDockerEnv() || hasDockerCGroup() || hasDockerMountInfo();
|
|
return isDockerCached;
|
|
}
|