sbt dist with version 2.3.2

[John Kelvie]

I see that in earlier versions of Akka, distributions could be made via a dist task provided by the akka-sbt-plugin:

http://doc.akka.io/docs/akka/2.2.1/scala/microkernel.html 

This, however, is no longer an option with version 2.3.2.

There is still a "package" task, but that only creates a jar file with our code - we are left to gather up the jars we need and include them in a distribution from what I can tell.

This seems very arduous - why is there no task that will automatically assemble the application code along with dependent jars into, say, a zip file for easy distribution? What is the recommendation currently on 2.3.2 for deploying a microkernel project to a server? 

-John

[ahjohannessen]

I recommend that you use sbt-native-packager instead. It is much more powerful and a breeze to use.

[Shawn]

I'd like to hear more on this as well. Searching the documentation for 2.3.5 doesn't even discuss deployment in any detail. 

I recognize that sbt-native-packager is cool, but for an later version of Akka to have less documentation on "how to deploy" than the previous version is rather sad, especially given Scala's reputation.

[Konrad 'ktoso' Malawski]

Hi guys,

Have you seen the http://www.scala-sbt.org/sbt-native-packager/index.html sbt plugin?

The sbt guys are pouring loads of effort into making apps easily packagable using that plugin.

So instead of having a custom akka plugin we’d rather recommend that one.

I created an issue for linking to the native packager in the docs https://github.com/akka/akka/issues/15677

Cheers!

-- 

Konrad 'ktoso' Malawski

hAkker @ typesafe

http://akka.io

[Shawn]

Konrad, I don't see how simply linking to sbt-native-packager helps with the original question.

As I mentioned, sbt-native-packager has nothing akka specific about it, whereas akka-sbt-plugin was akka-aware and did akka-specific things.

What the documentation needs is an example built.sbt or instructions on how to achieve at least the same capability as akka-sbt-plugin but using sbt-native-packager.

[Konrad Malawski]

Sure, agreed – feel free to add this requirement to the issue and we'll get to it eventually (or someone of the community might give a helping hand here).

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Cheers,

Konrad 'ktoso' Malawski

hAkker @ Typesafe

[Patrik Nordwall]

I agree, but I would like to add that as described in the migration guide the old 2.2.x akka dist plugin can be used to package akka 2.3.x applications.

/Patrik

Patrik Nordwall
Typesafe -  Reactive apps on the JVM
Twitter: @patriknw

[Roland Kuhn]

Hi Shawn,

the migration guide talks about this briefly, in short the akka-sbt-plugin from 2.2.x works just fine for other versions including 2.3.x, but you are right that we’ll have to expand on deployment documentation. We have planned to work on this later this year, if someone beats us to it (15677 & 13538) then we’ll gladly review any proposals.

Regards,

Roland

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Dr. Roland Kuhn
Akka Tech Lead
Typesafe – Reactive apps on the JVM.
twitter: @rolandkuhn

[Roland Kuhn]

Hi Shawn,

one consideration is that Akka (as a toolkit) does not really need all that much special handling. The simplest way is to use akka.Main as the main class and tell native packager to call that with the class name of your application supervisor actor and you’re all set (see here for an example using Linux/Mac, I don’t have Windows to test on). Documenting that of course still needs to be done, but the quick fix is to search these archives.

Regards,

Roland

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