24 lines
484 B
JavaScript
24 lines
484 B
JavaScript
const memoize = require('./memoize');
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const contain = require('./contain');
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const fs = require('fs');
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exports = memoize(function() {
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try {
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fs.statSync('/.dockerenv');
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return true;
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} catch (e) {}
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return hasDocker('/proc/self/cgroup') || hasDocker('/proc/self/mountinfo');
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});
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function hasDocker(file) {
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try {
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return contain(fs.readFileSync(file, 'utf8'), 'docker');
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} catch (e) {
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return false;
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}
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}
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module.exports = exports;
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