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Announcing Heroku Kafka Early Access

Today we are happy to announce early access to Heroku Kafka. We think Kafka is interesting and exciting because it provides a powerful and scalable set of primitives for reasoning about, building, and scaling systems that can handle high volumes and velocities of data. Heroku Kafka makes Kafka more accessible, reliable, and easy to integrate into your applications.

What is Kafka?

Apache Kafka is a distributed commit log for fast, fault-tolerant communication between producers …

Session Affinity now Generally Available

Today we are announcing that Session Affinity routing is now generally available as a fully supported part of the Heroku Platform. When Session Affinity is enabled for an app, requests from a given browser will always be routed to the same Dyno. Under the hood, the Heroku Router will add a cookie to all incoming requests from new clients; this cookie allows subsequent requests from that client to return to the same Dyno. With specific …

Bootstrapping Your Microservices Architecture with JHipster and Spring

Julien Dubois is the lead developer of JHipster, a Yeoman generator for Spring and AngularJS applications. Julien’s here to show how you can use a generator like JHipster to address some of the design concerns microservices introduce like discovery and routing so you can focus on your core business logic.

What is JHipster?

JHipster (for Java Hipster) is an Open Source application generator, based on Yeoman. It generates a Spring Boot (that’s the Java part) …

Heroku Review Apps now Generally Available

Today, we are happy to announce the graduation of Heroku Review apps from an exceptionally popular beta to being generally available to all Heroku users.

Review apps are the instant, disposable Heroku app environments that can spin up automatically with each GitHub pull request. They allow developers and their teams to automatically build and test any pull request, updated at every push, at a temporary, shareable URL. When the pull request is closed or merged, …

Cyber Monday, No Sweat: Why Sweet Tooth Chose PaaS

We recently sat down for a chat with Bill Curtis, a co-founder and the CTO of Sweet Tooth (Now Smile.io), a points and rewards app for online stores worldwide.

What has been your greatest challenge?

We’re serving way more data today than we ever have, so scaling is mission-critical. In the past, we’ve struggled with traffic spikes. For example, there are seasonal spikes, like Black Friday or Cyber Monday. There are also spikes from …

Tom Dale on Ember FastBoot and Scrappy JavaScript

Last week, Terence Lee and I caught up with Tom Dale at EmberConf to talk about FastBoot, when you should avoid native apps, and why JavaScript on the server and the browser might start to converge. Check the end for the full recording!

So let’s start with the drama, would you say Ember has declared war on native apps? [laughs]

[sigh] Yeah. Yeah, I think that’s fair. Yeah. Sure. Why not? Let’s go with that.

…

Sunsetting Heroku’s Legacy Platform API (v2)

Two years ago we released the Heroku Platform API (v3), providing a supported way to automate and instrument Heroku and making it even easier for you to build new products. Today we are deprecating the legacy, unofficial version of the API that preceded it (v2), as its usage is limited and we are focusing development on the newer, officially-supported API.

We will sunset v2 of the API on April 15, 2017. For security reasons, we …

React, Ruby and CI: An Interview with Matthew Eckstein

Matthew Eckstein is the VP of Engineering for charity: water. For more information, visit: www.charitywater.org. Read our charity: water customer story to learn more about how Heroku has helped their organization deliver clean water to millions of people around the world.

Tell us a bit about charity: water

charity: water is a non-profit organization that brings clean and safe drinking water to people in developing nations all around the world.

We rebuilt our online …

Heroku Behind the Curtain: Patching the glibc Security Hole

If you’re a developer, it’s unlikely you’ve ever said “I wish I could spend a whole day patching critical security holes in my infrastructure!” (If you do, we’re hiring). And if you’re running a business, it’s unlikely you’ve ever said “Yes! I would like my developers to lose a day’s worth of feature-building on security patches!”.

At Heroku, we believe you shouldn’t have to spend the time required to patch, test, and deploy security …

Django Channels: How to Build Real-Time Web Apps With Python

Today, we’re thrilled to host Jacob Kaplan-Moss. Jacob’s a former Herokai and long-time core contributor to Django, and he’s here to share an in-depth look at something that he believes will define the future of the framework.

Django Channels allows Python developers to build real-time, asynchronous web apps with Python and JavaScript. It augments Django’s robust response-request architecture with asynchronous protocol handling, including WebSockets support. In this Django Channels tutorial, we’ll show you how …

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