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Heroku Blog

Docker support updates: Local data stores and more languages

Today we're releasing some exciting improvements to the Heroku beta Docker support announced 3 months ago: Automatic configuration of local containers running data stores (like Postgres, Redis and MongoDB) and support for many more languages including images for Node.js, Ruby, Go, Java, Scala, Clojure and Gradle. This helps you use local containers to run, test and deploy Heroku apps that have complex service dependencies with minimal setup and configuration. Heroku Docker support brings to your machine the Linux containerization technology that we have operated for many years. These local Docker containers make on-boarding, development and testing of apps simpler and…

Patching Rails Performance

In a recent patch we improved Rails response time by >10%, our largest improvement to date. I'm going to show you how I did it, and introduce you to the tools I used, because.. who doesn’t want fast apps? In addition to a speed increase, we see a 29% decrease in allocated objects. If you haven't already, you can read or watch more about how temporary allocated objects affect total memory use. Decreasing memory pressure on an app may allow it to be run on a smaller dyno type, or spawn more worker processes to handle more throughput. Let's back…

Preparing for Major Response

Earlier this month, the OpenSSL project team announced that three days later it would be releasing a new version of OpenSSL to address a high-severity security defect. In the end, this vulnerability resulted in another non-event for our customers, but we thought it might be useful and informative to share the process we went through to prepare for the issue. (more…)

Heroku Connect: Now with Free Salesforce API Calls

Heroku Connect provides seamless data synchronization between Heroku Postgres databases and Salesforce organizations. Without writing a single line of integration code, you can sync hundreds of millions of Salesforce records in near real time using a simple point-and-click UI. Resiliency and data consistency are assured with robust automatic error recovery and easy to use Salesforce centric logging capabilities. We’re pleased to announce that beginning July 2, 2015, Heroku Connect’s data synchronization with your Salesforce organization — which relies on the SOAP API — will no longer be constrained by your Salesforce API usage limits. Customers can now focus on using…

Managing apps and users with fine-grained access controls

In February, we announced Heroku Enterprise, with collaboration and management capabilities for building and running your app portfolio in a governable and secure way on Heroku. We also introduced fine-grained access controls with app privileges as a beta feature. Today, we are pleased to announce general availability of this feature: Heroku Enterprise accounts are now automatically enabled for fine-grained access controls. We're very happy to deliver this feature that many of our largest customers have requested. "Enterprises need greater visibility around applications and scalability, and Heroku Enterprise adds those features to the core Heroku value proposition," said Matthew Francis, Director…

Go support now official on Heroku

Today, we're excited to introduce Go as the newest officially supported language on Heroku. Over the last 2 years we’ve fallen in love with Go, an expressive, concise, clean, and efficient language with built-in concurrency, making it easy to write and maintain network services, microservices and high-traffic API endpoints. Now when writing Go you can leverage Heroku’s great developer experience and platform to quickly build apps your users can depend on. This includes the familiar git push heroku master, review apps, metrics within your dashboard, and much more. As you'd expect, Heroku doesn't introduce any changes to your Go application…

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