Deploying with JRuby »

Deploy your Ruby/Rails app in a scalable, professional, JVM environment; no Java or XML required. Now get the language you love with the performance you need.

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Standard Ruby/Rails deployment can entail many moving parts, including parts that might be unfamiliar to non-Ruby folks. But now you can deploy your Ruby and Rails apps in a standard, professional and scalable JVM environment with JRuby—and no Java or XML is required.

For example, watch this video at http://youtu.be/_XyS08QIrdE on using Torquebox for high-availability deployment on the JVM.

In other news, Apple has announced iOS 6. We’re going to work on the beta of iOS SDK Development so it’s up-to-date with these latest changes. Unfortunately we’ll have to wait until Apple makes iOS 6 available to the public to make those changes available to you, but in the meantime we’re releasing an update to the book that fixes all the outstanding errata. When iOS 6 is released, you’ll automatically get all of the updates to this book, and you’ll be right on the cutting edge of iOS development.

Deploying with JRuby

JRuby deployments have fewer moving parts and consume less memory than traditional Ruby deployments, but to deploy your apps on the JVM, you need to learn some new approaches. This book introduces you to three JRuby deployment strategies that will give you the performance and scalability you need while letting you use the language you love.

You’ll start by porting an existing application to JRuby, preparing the app to take advantage of the JVM platform. Then you’ll use Vagrant and Puppet to build a virtual production environment so you have a stable, reproducible place to explore JRuby deployment.

With your environment in place, you’ll experiment with simple JRuby deployment with Warbler as you package your Ruby web application into a single file you can deploy to a Java application server. Next you’ll set up the lightweight Trinidad web server to create a more flexible, modular deployment that fits more complex situations but still feels friendly and familiar to Ruby developers. You’ll switch to powering your app with TorqueBox, an all-in-one JRuby environment that includes built-in support for messaging, scheduling, and daemons—perfect for handling the “big jobs.” Then, you’ll set up a continuous integration environment with Jenkins so you can deploy like the pros.

Deploying with JRuby is the missing link between enjoying JRuby and using it in the real world to build high-performance, scalable applications.

Now in print and shipping from pragprog.com/book/jkdepj.

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