pm2.js

const pm2 = require('pm2')
const count = parseInt(process.argv[2])
const config = require('./dist/src/config.js')
const startingPort = config.port ?? 8080

console.log(`count: ${count} starting port:${startingPort}`)

pm2.connect(function (err) {
  if (err) {
    console.error(err)
    process.exit(2)
  }

  for (let i = 0; i < count; i++) {
    startRPC(startingPort + i)
  }
  setTimeout(() => {
    console.log(`Run "pm2 list" to see started processes.`)
    process.exit(0)
  }, 3000)
  return
})

function startRPC(port) {
  const processName = 'rpc_' + port
  pm2.start(
    {
      script: 'dist/src/server.js',
      name: processName,
      args: String(port),
    },
    function (err, apps) {
      if (err) {
        console.error(err)
        pm2.restart(processName, (err, proc) => {
          pm2.disconnect()
        })
        return
      } else {
        console.log(`Started RPC server at port ${port}`)
      }
    }
  )
}