Heroku Blog

Heroku learned of and resolved a security vulnerability last week. We want to report this to you, describe how we responded to the incident, and reiterate our commitment to constantly improving the security and integrity of your data and source code.

On Tuesday, June 26, Jonathan Rudenberg notified us about an issue in our Codon build system. The Codon build system is responsible for receiving application code from Git and preparing it for execution on …

The Heroku Cedar stack went public beta last year with a series of blog posts. Since then, over 80,000 developers have deployed over 4.5 million times, to apps written in dozens of different programming languages and frameworks. Today, over 75 percent of Heroku app development activity is on the Cedar stack. Production apps like Banjo, Rapportive, PageLever, do.com, and Project Zebra run on Cedar; some of these serve hundreds of millions or even billions …

As of today, the Cedar stack is now in general availability.

Cedar features a streamlined HTTP stack allowing for advanced HTTP capabilities, heroku run for execution of arbitrary one-off dynos, Procfile and the process model for execution of any type of worker process. Most importantly, Cedar is a polyglot platform with official support for Clojure, Java, Node.js, Python, Ruby, and Scala, and extensibility for unlimited others via buildpacks.

The Dev Center team has …

Earlier this month we released the public beta of an improved SSL solution, SSL Endpoint. We’ve received positive feedback from everyone using the new SSL solution.

Based on this strong positive response and adoption during the beta, we’re officially moving SSL Endpoint to general availability starting today. It is now the recommended option for any app which needs SSL on a custom domain.

In conjunction with SSL Endpoint’s GA status, we’re consolidating and simplifying …