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Hi @Effection,
Yes, you can use the Firewall to cut of external traffic and allow only from your Droplet 1. It’s the best and proper way!
Regards, KDSys
Hi @Effection,
I’ll cling to your words the traffic not being much and as such, I think it’s okay to put MongoDB and Redis on the same droplet. Please note that increase in traffic might force you to actually need a separate droplets for both services apart from an upgrade as well.
Generally speaking however, the above scenario shouldn’t happen in the near future except in the case of your application increasing traffic daily.
Regards, KDSys