I wanted to inquire whether it's possible to run my app.js multiple clusters like so:
app.js Cluster1 port 80
app.js Cluster2 port 81
app.js Cluster 3 port 82
app.js Cluster 4 port 83
My hosting provider, Rackspace, has advised me to try to set up this way.
Is this possible to do this under pm2 and have my app.js be running multiple clusters under different ports?
Thanks in advance for your help.
You could clone your app 4 times... I think there are better solutions as load-balancing for those kind of things but pm2 can't handle this without some heavy mods.
NODE_PORT=80 pm2 start app.js -f
NODE_PORT=81 pm2 start app.js -f
NODE_PORT=82 pm2 start app.js -f
NODE_PORT=83 pm2 start app.js -f
... where NODE_PORT is an arbitrary name that you add as .listen(process.env.NODE_PORT) into your program.
(-f flag is necessary to force re-execution, since pm2 will complain otherwise)
Mention #322 tip