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Heroku Blog

Threshold Alerting for Application Metrics Now Generally Available

Today we're announcing two new features that will help you better manage and run apps on Heroku: Threshold Alerting and Hobby dyno metrics. Threshold Alerting provides the ability to set notification thresholds for key performance and health indicators of your app. We’ve also extended basic Application Metrics to Hobby dynos to provide basic health monitoring and application guidance. Together these features allow you to stay focused on building functionality by letting the platform handle your …

Real-World Redis Tips for Caching, Queueing, Geolocation, and More

Redis might sound like it’s just a key/value store, but its versatility makes it a valuable Swiss Army knife for your application. Caching, queueing, geolocation, and more: Redis does it all. We’ve built (and helped our customers build) a lot of apps around Redis over the years, so we wanted to share a few tips that will ensure you get the most out of Redis, whether you’re running it on your own box or using …

How Combatant Gentlemen Solved Service Discovery Using Heroku Private Spaces

Scott Raio is Co-Founder and CTO of Combatant Gentlemen], a design-to-delivery menswear e-commerce brand.

What microservices are you running in Heroku Private Spaces?

We’ve written an individual service for every business use case. For example, we have services for order processing, product catalog, account management, authentication, swatch display, POs, logistics, payments, etc.

With all these different services, we chose Heroku Private Spaces as a way to make service discovery easier. We’re currently running about 25 …

Powering the Heroku API With Streams & Apache Kafka

We recently launched Apache Kafka on Heroku into beta. Just like we do with Heroku Postgres, our internal engineering teams have been using our Kafka service to power a number of our internal systems.

The Big Idea

The Heroku platform comprises a large number of independent services. Traditionally we’ve used HTTP calls to communicate between these services. While this approach is simple to implement and easy to reason about, it has a number of drawbacks. …

Neither self nor this: Receivers in Go

Andrey Petrov is the author of urllib3, the creator of Briefmetrics and ssh-chat, and a former Googler and Y Combinator alum. He’s back again to free us of our old ways of thinking, so that we can embrace what's really special about receivers in Go.

When getting started with Go, there is a strong temptation to bring baggage from your previous language. It’s a heuristic which is usually helpful, but sometimes counter-productive and …

How Emarsys Approaches Service Sizing on Heroku

Based in Budapest, Hungary, Andras Fincza (Head of Engineering) and Rafael Ördög (Technical Lead) work for Emarsys, a global marketing automation platform. Read our Emarsys customer story to learn more about their migration experience on Heroku.

How did you introduce microservices at Emarsys?

We take an evolutionary approach to our architecture. Our marketing automation platform was originally designed as a monolithic system built in PHP and MySQL and running on in-house infrastructure. We were …

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