News

Important update

We've recently made some big updates to our support for Docker and the feature described in this blog post has been deprecated. Learn more in the container registry and runtime dev center documentation.

When Heroku launched the Cedar container stack 4 years ago, we became one of the first companies to use Linux Containers (LXC) to create a secure, performant and scalable cloud platform. Heroku has been a leader in the containerization movement, …

At Heroku and at Salesforce, we’re always looking for ways we can help increase the number of young women with access to careers in science, technology, engineering and math. Recently, thanks to a Heroku engineering manager’s involvement on this issue with a local school, we hosted a Technovation Challenge event at the Heroku offices. We wanted to share the story about this great program – the Technovation Challenge is an annual competition, and you could …

Today we’re excited to announce public beta support for HTTP session affinity, a feature that makes building real-time applications easier than ever. Session affinity improves end user experience in certain types of applications and architectures where you require some level of extra state within your application code, because it ensures related requests get routed to the same instance of your code. This improves performance reducing the need to go and get the needed state for …

These days, apps are more composed than built. Long past are the days of spinning up your own Elasticsearch cluster to add search to your application. Instead we borrow from previous projects, and adapt a template as a good foundation. It’s a great improvement – but the process of keeping up to date with the right services, tools, and templates can be a time consuming task at best, and an overwhelming flood of new information …

At Heroku, most of us love living in the CLI. Of course, we're absolutely dedicated to providing a great developer experience whether it’s in the dashboard or at the terminal, but we also believe a mastery of the command line interface offers great productivity to you as a developer. A well designed CLI coupled with other small sharp Linux tools provide primitives to build powerful productivity. Today we're introducing an exciting new foundation for the …

Over the past few years, Netflix has open sourced many of the components that make up its production platform. These include Eureka for service discovery, Hystrix for handling service failure, Ribbon for client side load balancing, and many others.

These projects are powerful, mature, and benefit from Netflix’s many years of experience deploying service-oriented applications in the cloud. Adding credence to this, IBM, Yelp, Hotels.com and many others have adopted these technologies for …