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Heroku Blog

Debugging in Ruby—Busting a Year-old Bug in Sprockets

Debugging is an important skill to develop as you work your way up to more complex projects. Seasoned engineers have a sixth sense for squashing bugs and have built up an impressive collection of tools that help them diagnose and fix bugs.

I’m a member of Heroku’s Ruby team and creator of CodeTriage and today we’ll look at the tools that I used on a journey to fix a gnarly bug in Sprockets. Sprockets …

Ten Ways to Secure your Applications

This blog post is adapted from a talk given by Joe Kutner at Devoxx 2018 titled "10 Mistakes Hackers Want You to Make."

Building self-defending applications and services is no longer aspirational–it’s required. Applying security patches, handling passwords correctly, sanitizing inputs, and properly encoding output is now table stakes. Our attackers keep getting better, and so must we.

In this blog post, we'll take a look at several commonly overlooked ways to secure …

Building a Service-oriented Architecture with Rails and Kafka

This blog post is adapted from a talk given by Stella Cotton at RailsConf 2018 titled “So You’ve Got Yourself a Kafka.”

https://www.youtube.com/embed/Rzl4O1oaVy8

In recent years, designing software as a collection of services, rather than a single, monolithic codebase, has become a popular way to build applications. In this post, we’ll learn the basics of Kafka and how its event-driven process can be used to power your Rails services. We’ll also talk about …

Heroku 2018: Advancing Developer Experience, Trust & Compliance, and Data

2018 was an amazing year for Heroku and our customers. We want to extend a big thank you for your feedback, beta participation, and spirit of innovation, which inspires us every day to continuously improve and advance the platform.

In the past year, we released a range of new features to make the developer experience more productive, more standards based, and more open. We achieved significant compliance milestones, provided trust controls for creating multi-cloud apps, …

Ruby 2.6 Released: Just-In-Time Compilation Is Here

The Ruby committers have again continued their annual holiday tradition of gifting us a new Ruby version: Ruby 2.6 was released today, including the long awaited Just-In-Time (JIT) compiler that the Ruby team has been working on for more than a year.

Just-In-Time compilation requires Ruby to spin up a compiler process on startup, and we’re proud to say that this feature is supported today on Heroku thanks to the diligent efforts of our very …

Manage Real-time Event Streams and SQL Analytics with Apache Kafka on Heroku

Building a SaaS product, a system to handle sensor data from an internet-connected thermostat or car, or an e-commerce store often requires handling a large stream of product usage data, or events. Managing event streams lets you view, in near real-time, how users are interacting with your SaaS app or the products on your e-commerce store; this is interesting because it lets you spot anomalies and get immediate data-driven feedback on new features. While this …

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