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pm2.js
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pm2.js
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const pm2 = require('pm2')
const instances = process.env.WEB_CONCURRENCY || -1
const maxMemory = process.env.WEB_MEMORY || 512
// NOTE TO SELF. Logs are located in .pm2/logs
pm2.connect(function () {
pm2.start({
script: 'start.js',
name: 'zellwk.com',
exec_mode: 'cluster',
watch: false,
instances: instances,
max_memory_restart: maxMemory + 'M',
log_date_format: 'YYYY-MM-DD HH:mm Z',
log_file: 'combined.log',
error_file: 'err.log',
out_file: 'out.log',
merge_logs: true,
env: {
'NODE_ENV': 'production'
}
}, function (err) {
if (err) {
return console.error('Error while launching applications', err.stack || err)
}
console.log('PM2 and application has been succesfully started')
// Display logs in standard output
pm2.launchBus(function (err, bus) {
if (err) console.log(err)
console.log('[PM2] Log streaming started')
bus.on('log:out', function (packet) {
console.log('[App:%s] %s', packet.process.name, packet.data)
})
bus.on('log:err', function (packet) {
console.error('[App:%s][Err] %s', packet.process.name, packet.data)
})
})
})
})