Servicing Canvas with Unicorn + Nginx

[Nick Kokkos]

I have had significant success serving Canvas lms with Unicorn server and nginx webserver.

Nginx acts as an asset/load balancing proxy and Unicorn as a ruby interpreter server and the whole process seems to be quite fast. But I have not
tested it against apache/passenger or nginx/passenger.

I am attaching the configuration files for nginx/unicorn. They are pretty much self explanatory but you must tweak them to your own setup.
If  there's something you can't figure out, ask me and will help you if I can.
 

[Charles Wood]

It's rails, so this should work. Do you have much experience with Passenger? How does it stack up generally.

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[Nick Kokkos]

Personally no, I have not run a rails site with passenger with lots of load; only demo sites with 1-10 users at the time.

But I believe the following posts written by EngineYard may be a great help to everyone:

A comparison of popular ruby servers:
https://blog.engineyard.com/2014/ruby-app-server-arena-pt1
https://blog.engineyard.com/2014/ruby-app-server-arena-pt2

[Jason Hoekstra]

Hi Nick -

Hey, thanks for posting your Nginx configuration.  I also prefer it to Apache for a proxy front-end (however both are solid web servers).  I'm likely to try the proxy config with Passenger, so will be happy to share back Nginx config once that's proven out.

Curious between August and today, if you made any more mods/tweaks to the Nginx conf?

Btw - this would be a great addition to the Canvas GitHub wiki for alternative configurations.

Thanks,

Jason

[Nick Kokkos]

I am glad you found it useful. No, I haven't tweaked it since I posted.
But now, there's news about raptor server, Passenger version 5.0, which is faster than every other ruby server
http://www.rubyraptor.org/ but is still in beta (https://www.phusionpassenger.com/download)