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Heroku Blog

Celadon Cedar

Super psyched to announce a major new version of Heroku, the Celadon Cedar stack, going into public beta today (previous stacks were Argent Aspen in 2009, and Badious Bamboo in 2010). Cedar has many new features and updates, but most importantly introduces a new way of thinking about web application architecture and scaling apps on Heroku: the process model. Check it out: New stack Celadon Cedar moves into public beta today: $ heroku create –stack cedar Creating blazing-galaxy-997… done, stack is cedar http://blazing-galaxy-997.herokuapp.com/ | git@heroku.com:blazing-galaxy-997.git Cedar Docs Define your process types with Procfile: $ cd myapp/ $ cat Procfile web:…

Heroku at RailsConf in Baltimore

Baltimore, Here We Come! Next week is RailsConf in Baltimore, and Heroku is coming out in force. There will be about a dozen of us attending sessions, manning our booth, and chatting with Rubyists, so definitely keep an eye out for us! To make it a bit easier, here’s a quick summary of when and where we’ll be: Monday, May 16th At 6pm, Ben Scofield will be part of the second annual Ignite RailsConf. He’s giving a five-minute talk on How To Be Awesome (From a Counter-Example). Tuesday, May 17th The Expo Hall opens up Tuesday morning, so you’ll be…

Defaulting to Ruby 1.9.2

Heroku is fully behind Ruby 1.9.2 as the new gold standard for production Ruby apps. Over the past few months, we’ve seen more and more developers move to the Bamboo 1.9.2 stack. It’s fast, stable, and increasingly sees excellent support throughout the community. In February, we said that we’d be reviewing the state of 1.9.2 support with the eventual goal of switching the default for new Ruby apps on Heroku from 1.8.7 to 1.9.2. Today, we’re announcing the date of that switchover. As of June 1st, 2011, all new Ruby applications on Heroku will be run on Ruby 1.9.2 by…

Post-mortem on April 21 Outage

On April 21st 2011, Heroku experienced a widespread application outage. We have posted a full post-mortem detailing the causes and steps we are taking to prevent similar outages from happening in the future. Heroku status always contains our current status. You can follow @herokustatus to follow status updates via twitter.

Announcing Heroku for Logo… powered by Heroku

Since launching Ruby support in 2007, we’ve been constantly expanding the platform to accommodate more application types and to make the platform more accessible to a broader audience of developers. We are very pleased today to announce full support for applications written in the Logo programming language. Going back to our roots with an in-browser editor, we believe that interactive programming and getting started quickly lend well to learning. Ruby is an excellent language for learning, and Logo is even better. Logo is a fully-featured and beautifully designed functional Lisp-style programming language. It shares many properties with (and is an…

Using Bundler Groups on Heroku

Bundler groups are commonly used to specify which dependencies of your application are needed in a given environment. You may have something like this in your Gemfile: group :test do gem “rspec” end Using the “test” group in this case allows you to specify the gems that are needed to test your application. Since you won’t need these gems in production, you can speed up installation by ignoring the “test” group. Bundler provides this ability through the –without option: bundle install –without test You can currently access this functionality on Heroku by setting the BUNDLE_WITHOUT config var in your application.…

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