How to use a load balancer for multiple Parse Servers?

Question

Right now we have just one droplet hosting a Parse Server (2.8.4) and a Parse Dashboard (1.2.0). The Parse Server uses the built-in sessions, installations, cloud code, and config and uses MongoDB, which is hosted in another droplet.

What I want to do now, is to add a load balancer, the one DigitalOcean offers, and one extra droplet for another Parse Server. I am completely clueless as to how to do it; I’ve never used a load balancer before.

Could someone please walk me through the process?

Bobby Iliev · Answer

Hello,

What you could do is:

First, create your second Parse Server. You could for example create the server from a snapshot or a backup of your current server:

https://docs.digitalocean.com/products/images/snapshots/how-to/create-and-restore-droplets

Once you have your second server up and running, you can create your load balancer as per the instructions here:

https://docs.digitalocean.com/products/networking/load-balancers/how-to/create/

Next, once you have your Load Balancer ready, you can add your Droplets to the Load Balancer by following the steps here:

https://docs.digitalocean.com/products/networking/load-balancers/how-to/manage/

Then when you visit your Load Balancer’s IP address your traffic will be load balanced between your two Parse Server Droplets.

For a quick introduction on how load balancing works I could suggest the following tutorial:

https://www.digitalocean.com/community/tutorials/what-is-load-balancing

Hope that this helps!

Best,

Bobby

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