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Few questions about One-click app Ruby-onRails on 18.04
I have installed my frist droplet One-click app Ruby-on-Rails on 18.04.
It has a bit different setup than I’m used to, so I have couple of questions:
The root user is set and has a SSH key. Isn’t it a bit security vulnerability to use the root user? How can I add a SSH key for rails user, when I do not know its password? Or should I use a different user?
I have checked the nginx and there is no passenger mod running. What is used instead? Did I understood right that the Puma is used? How can I configure it?