| 123456789101112131415161718192021222324 | const cluster = require('cluster')const cpus = require('os').cpus()const service = require('restana')()service.get('/json', (req, res) => {  res.setHeader('server', 'restana')  res.setHeader('content-type', 'application/json')    res.end(JSON.stringify({ message: 'Hello, World!' }))})service.get('/plaintext', (req, res) => {  res.setHeader('server', 'restana')  res.setHeader('content-type', 'text/plain')  res.end('Hello, World!')})if (cluster.isMaster) {  cpus.forEach(() => cluster.fork())} else {  service.start(8080)}
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