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Simple hello world in Node, using Fastify and clustering for Medium post
const cluster = require('cluster');
const numCPUs = require('os').cpus().length;
const fastify = require('fastify')();
const port = 8123;
if (cluster.isMaster) {
console.log(`Master ${process.pid} is running`);
for (let i = 0; i < numCPUs; i++) {
cluster.fork();
}
cluster.on('exit', worker => {
console.log(`Worker ${worker.process.pid} died`);
});
} else {
fastify.get('*', (req, res) => {
res.send('Hello World');
});
fastify.listen(port, () => {
console.log(`Fastify "Hello World" listening on port ${port}, PID: ${process.pid}`);
});
}
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