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Cloud Infrastructure

Run JRuby on Heroku: Ruby with JVM-Based Libraries

Over a year ago Heroku launched the Cedar stack and the ability to run Java on our platform. Java is known as a powerful language – capable of performing at large scale. Much of this potential comes from the JVM that Java runs on. The JVM is the stable, optimized, cross-platform virtual machine that also powers other languages including Scala and Clojure. Starting today you can leverage the power of the JVM in your Ruby applications without learning a new language, by using JRuby on Heroku.

After a beta process with several large production applications, we are pleased to …

Presenting the New Add-ons Site

Heroku Add-ons make it easy for developers to extend their applications with new features and functionality. The Add-on Provider Program has enabled cloud service providers with key business tools, including billing, single sign-on, and an integrated end-user support experience. Since the launch of the Heroku Add-ons site over two years ago, the marketplace has grown to nearly 100 add-ons. As the add-ons ecosystem has grown, we've learned a lot about how cloud service providers structure their businesses and how users interact with them.

Today we're happy to announce the launch of the updated Heroku Add-ons site.

The goal of …

Buildpacks: Heroku for Everything

Last summer, Heroku became a polyglot platform, with official support for Ruby, Node.js, Clojure, Java, Python, and Scala. Building a platform that works equally well for such a wide variety of programming languages was a unique technical design challenge.

siloed products would be a non-scalable design

We knew from the outset that maintaining siloed, language-specific products – a Heroku for Ruby, a Heroku for Node.js, a Heroku for Clojure, and so on – wouldn't be scalable over the long-term.

Instead, we created Cedar: a single, general-purpose stack with no …

New Status Page with Real-Time Incident Updates

Developers like you deploy code to hundreds of thousands of apps every month on the Heroku platform. Some of these are production apps which serve hundreds of millions or even billions of requests per month. Uptime of the platform is critical for such apps.

We want to achieve the sustained reliability that these apps require. But when there are incidents that impact uptime, we want to maximize our transparency and accountability to you and all developers on the platform.

Today, we’re launching a completely redesigned status.heroku.com, which provides real-time status of the platform, the ability to sign up for …

RabbitMQ Add-on Now Available on Heroku

Today we're proud to announce the availability in beta of RabbitMQ add-on by VMWare. RabbitMQ is an open source implementation of the AMQP protocol that provides a robust, scalable and easy-to-use messaging system built for the needs of cloud application developers.

Getting Started

With the add-on, provisioning a fully managed RabbitMQ instance couldn't be easier to do:

$ cd rabbitdemo
$ heroku addons:add rabbitmq
—–> Adding rabbitmq to rabbitdemo… done, v2 (free)

$ heroku config
RABBITMQ_URL => amqp://uname:pwd@host.heroku.srs.rabbitmq.com:13029/vhost

Your application's environment will now have the RABBITMQ_URL set pointing to your new instance. Most modern AMQP clients such as Bunny for …

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 …

Heroku Casts: Setting Up Custom Domains

NOTE: This documentation is out-of-date and no longer supported. It will not work with the current version of the Heroku platform. For the latest information about setting up custom domains on Heroku please use this article from the Heroku Dev Center.

Today is a twofer on the screencast front.

Setting up custom domains & DNS is one of those necessary evils that no one likes, and is way more confusing than it should be. Adding insult to injury, there’s not one solution for all cases. At a high level, the process is fairly easy. First, you need to point your …

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