WebSocket support

[Bhavan Shah]

We are planning to use WebSockets for our Ruby app to provide updates to web browsers/clients and have few questions:

(1) Does Phusion Passenger now support WebSocket? If so, from which version?
(2) Is it possible to configure Apache in reverse proxy to handover websocket connections to Phusion Passanger?
If so,  what Apache version is requried?

Thanks,

Bhavan

[Tinco Andringa]

Hi Bhavan,

Passenger does support websockets only on nginx for now. It has done
so since version 4 I believe, when nginx introduced websocket support.

I don't know about Apache websocket support, I think it requires
Apache to be configured as a TCP proxy, we haven't heard about anyone
trying it.

Kind regards,
Tinco

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[Hongli Lai]

Yes. I'm not so sure about Apache because anybody who cares about
WebSockets tend to use Nginx, which generally works better for
long-running requests anyway. I can only confidently say that
WebSockets work great on Nginx. We have a
Ruby-on-WebSocket-on-Nginx-Passenger demo here:
https://github.com/phusion/passenger-ruby-websocket-demo

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[Hongli Lai]

Note that the demo does mention that it works on Apache, but it has
only received minimal testing. I'm not sure whether Apache+WebSockets
always work correctly in production. Of course, any feedback would be
most welcome.

[Bhavan Shah]

Tinco,

Thanks for your note. We will use Nginx.

Bhavan

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[Bhavan Shah]

Thanks, Tinco.

[Bhavan Shah]

Hi Hongli,

Thanks for the note that Nginx works well with Phusion w.r.t. WebSocket. Also, demo link is useful.

Regards,

Bhavan