[dancer-users] Multiple apps with Plack and Apache

[janet davis]

Thank you for the quick response.

I think I've had a lightbulb moment, proxying through Apache works. The
only problem is the uri_base doesn't point to the public directory in my
application root it points to / so no css/js etc.

I have:
ProxyPass /app1 http://localhost:5000
ProxyPassReverse /app1 http://localhost:5000
And I can reach app1 on myserver.com/app1

Is there anywhere in the config that I can specify the correct uri_base per
app?

I will try using Plack Builder with some example apps.  Are there any
performance implications if I run a lot of Dancer apps in this way (15+)
alongside my cgi scripts?  I don't want to go down this route and then
discover that I have issues with server resources.

Thanks again J.

On Tue, Jul 12, 2016 at 9:21 PM, Chad Wallace <cwallace at lodgingcompany.com>
wrote:

> On Tue, 12 Jul 2016 19:55:31 +0100
> janet davis <oscarjwoofer at gmail.com> wrote:
>
> > Hi there,
> >
> > I have a web server running Apache with a single vhost that serves a
> > lot of Perl cgi scripts from cgi-bin.
> >
> > I've been trying out Dancer, which I really like, but I can't figure
> > out the best way to deploy apps in my Apache environment.  I want to
> > keep my Apache cgi configuration to serve legacy scripts but I want
> > to start building new projects based on psgi in something like Dancer.
> >
> > I want Apache to use www.myserver/cgi-bin/appname/script.pl for old
> > code (which currently works) and www.myserver/app1 for newer Dancer
> > based apps. Please don't think I'm being lazy by asking, I have read
> > the documentation and looked at the example for deploying multiple
> > apps via fcgi but I am still confused as I have limited experience
> > with Apache - I am working on that.  What's the best way to set this
> > up, bearing in mind that I may want to run say 10-15 Dancer apps from
> > my server alongside my cgi-scripts? Do I have to set up a vhost for
> > each app?  I have Apache::Plack::Handler but I'm not sure whether I
> > should be using Plack::Builder to mount my apps (which is mentioned
> > in an older Dancer Cookbook, but not the current deployment guide.
> > Can someone help me get on the right track please?
>
> I'm not sure it matches what you currently have in mind, but what I
> would do is set up www.myserver/app1 with mod_proxy to a standalone
> Plack/Dancer process for the app.  You would need something like this
> in your VirtualHost for each app:
>
>     ProxyPass  /app1  http://localhost:5000/app1
>
> You'd also have to manage starting, stopping and reloading each of your
> apps on its own, with a dedicated port, like 5000 in the line above.
>
> If you wanted to combine your apps into one, you can do that with
> Plack::Builder in a single app.psgi script.  Then you get the benefit
> of only having one script to start and stop, and one port.  I currently
> do that with one of my apps to separate the AJAX-specific stuff, based
> on code I found in Dancer2::Cookbook[1]:
>
> #!/usr/bin/env perl
>
> use strict;
> use warnings;
>
> use FindBin;
> use lib "$FindBin::Bin/../lib";
>
> use Plack::Builder;
> use newtlc;
> use newtlc::API;
>
> builder {
>     mount '/'    => newtlc->to_app;
>     mount '/api' => newtlc::API->to_app;
> };
>
>
> [1]
>
> https://metacpan.org/pod/distribution/Dancer2/lib/Dancer2/Cookbook.pod#App-specific-feature
>
>
> --
>
> C. Chad Wallace, B.Sc.
> The Lodging Company
> http://www.lodgingcompany.com/
> OpenPGP Public Key ID: 0x262208A0
>
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>
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