[Grok-dev] Re: Some questions about setup and apps

[Kamon Ayeva]

Forgot to cc the ml.

---------- Forwarded message ----------
From: Kamon Ayeva <kamon.ayeva at gmail.com>
Date: Tue, Apr 1, 2008 at 3:31 PM
Subject: Re: [Grok-dev] Re: Some questions about setup and apps
To: Martijn Faassen <faassen at startifact.com>


On Tue, Apr 1, 2008 at 2:30 PM, Martijn Faassen <faassen at startifact.com> wrote:
 > Hi there,
 >
 >
 >  Kamon Ayeva wrote:
 >
 >  > * To deploy a Grok environment, you need to install Grok (generally
 >  > using zc.buildout).
 >  > Once the Grok buildout is installed, you can start a project using
 >  > grokproject.
 >
 >  Actually, to start developing with Grok, you need to install
 >  grokproject. grokproject in turn will install the buildout that contains
 >  everything needed for that project.

 Ok.
 I've done that.


 >  > This brings the start code for the developer to define an
 >  > Application (with its content and views) to the project.
 >  >
 >  > Questions: Can I serve several apps on the same Grok server ? I mean
 >  > same machine and same port ?
 >
 >  Yes, you can - you can install a single application multiple times. You
 >  can also have multiple Applications in a single project. You can also
 >  include multiple eggs, each supplying their own applications, into a
 >  buildout, and they all become installable applications as long as the
 >  ZCML is linked (the ZCML linking will be automatic in Grok 0.12).

 Yes, that what I am aiming at.
 Cool if its automatic in the future.


 >
 >  > Or do I need to have several servers (which means each on its port)
 >  > and play with Apache virtual hosting ?
 >  > Maybe there is an advanced setup that helps solve this issue ?
 >
 >  Of course Apache virtual hosting is another option and may make more
 >  sense for some deployments. The disadvantage of deploying multiple
 >  applications in a single server is that they cannot evolve independently
 >  - all applications will have to switch to 0.12 at the same time, for
 >  instance.
 >
 Yes of course.


 >
 >  > * To install dependancies, I install their eggs using the
 >  > install_requires parameter in the setup.py at the root of the buildout
 >  > folder...
 >
 >  Yes, and you run bin/buildout, and if the egg contains ZCML you want to
 >  load, in 0.11.x you still need to go to your project's configure.zcml
 >  and 'include' the package there too. That latter requirement is going away.

 Ok.


 >  > * A developer can find sample applications to install here
 >  > http://svn.zope.org/grokapps/
 >  >
 >  > Questions: Is there a process for releasing Sample Apps as eggs ? Or
 >  > do we need to install them in their contained environment ?
 >
 >  We don't have a mechanism for releasing an egg that will be able to be
 >  started all by itself. It needs a server environment to run. It would be
 >  interesting to explore deployment mechanisms there this isn't necessary
 >  and you can somehow get a webserver from an egg directly.

 Ok. I am fine with just having eggs installed for a deplyment scenario.
 I want to be able to just deploy them on a Repoze-based environment.


 >
 >  > If that's
 >  > the case, we come back to my previous question, i.e. can you have 2
 >  > apps served by the same Grok instance ? And can you even mix two apps
 >  > ?
 >
 >  You can do such things, as described above.
 >
 Thanks for the answers.

 Kamon