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How to sneak clojure into your rails shop

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How to sneak clojure into your rails shop

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This is the lightning talk I presented at Clojure/West 2013. In it, I cover how to utilize JRuby, Torquebox, and the Immutant Overlay project to introduce Clojure, gradually, into an environment where Rails is the norm.

This is the lightning talk I presented at Clojure/West 2013. In it, I cover how to utilize JRuby, Torquebox, and the Immutant Overlay project to introduce Clojure, gradually, into an environment where Rails is the norm.

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How to sneak clojure into your rails shop

  1. 1. HOWTO SNEAK CLOJURE INTOYOUR RAILS SHOP ...and ImproveYour Rails Hosting Along the Way
  2. 2. ABOUT ME • Joshua Ballanco • Live in Ankara,Turkey • Chief Scientist at Burnside Digital • We do Clojure
  3. 3. IFTHIS WAS 2006... HOWTO SNEAK RAILS INTO YOUR JAVA SHOP
  4. 4. LEARN FROM RAILS • Better to ask forgiveness than permission • Use Clojure whenever it’s the best tool for the job • ...and even when it’s just the right tool for the job • Don’t be afraid to show off!
  5. 5. STEP 1: JRUBY • Convince your Rails guys to use JRuby: • Better tooling • Better performance (in many cases) • Java ecosystem • Lots of hosting options
  6. 6. STEP 2:TORQUEBOX • Stupid Simple Deployment: torquebox deploy && torquebox run • JBoss strength and stability • All the bells and whistles baked right in • HornetQ for queueing, workers • Infinispan for shared memory cache • Quartz for scheduling
  7. 7. STEP 3: IMMUTANT OVERLAY • Immutant isTorqueBox’s Clojure Counterpart (and so much more!) • lein immutant install && lein immutant overlay • Comes with: JBoss, Immutant,TorqueBox, and JRuby • set some environment variables, then... • torquebox deploy • lein immutant run – Runs deployed Clojure and Ruby apps
  8. 8. STEP 4: OPENSHIFT • From Red Hat • Like Heroku, but open source (and you have ssh access) • Deploy with a git push • Use the ployglot-openshift-quickstart (http://github.com/) • Deploy Ruby and Clojure based applications to the same instance
  9. 9. STEP 5: MAKE CLOJURE AND RUBYTALK • HornetQ +TorqueBox/Immutant messaging libraries • Infinispan +TorqueBox/Immutant caching libraries • Higher-level abstractions (keep an eye on http://blogs.burnsidedigital.com)
  10. 10. STEP 6: SHOW OFF • Once it’s working, tell everyone why its so great! • Sends alerts and receives confirmation when an alert is read • Manage users, groups, organizations, permissions, etc. • Separation of concerns improves stability and scale
  11. 11. THANKYOU! Joshua Ballanco Burnside Digital http://www.burnsidedigital.com

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