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Product Features

Announcing Free and Automated SSL Certs For All Paid Dynos

We are happy to announce the general availability of Automated Certificate Management (ACM) for all paid Heroku dynos. With ACM, the cumbersome and costly process of provisioning and managing SSL certificates is replaced with a simple experience that is free for all paid Dynos on Heroku’s Common Runtime. Creating secure web applications has never been more important, and with ACM and the Let’s Encrypt project, never easier.

ACM handles all aspects of SSL/TLS certificates for custom domains; you no longer have to purchase certificates, or worry about their expiration or renewal. ACM builds directly on our recent release of …

Powering the real food revolution with IoT, MQTT, and Heroku: an Interview with Freight Farms

Kyle Seaman is Director of Farm Technology for Freight Farms, producer of pre-assembled, IoT-enabled, hydroponic farms inside repurposed freight containers.

What is Freight Farms?

Our flagship product, The Leafy Green Machine (LGM), is a complete, commercial-ready, hydroponic growing system assembled inside a repurposed shipping container. Each of our 100+ farms is connected to an IoT network built on Heroku.

Tell us about your stack.

We’re running the open source version of the Parse server on Heroku. Our stack is mostly JavaScript: MongoDB along with a Node.js API. We also use Heroku Postgres.

Xively is a core component of …

SSL Is Now Included on All Paid Dynos

Encrypted communication is now the norm for applications on the Internet. At Heroku, part of our mission is to spread encryption by making it easy for developers to setup and use SSL on every application. Today we take a big step forward in that mission by making Heroku SSL generally available, allowing you to easily add SSL encryption to your applications with nothing more than a valid SSL certificate and custom domain.

Heroku SSL is free for custom domains on Hobby dynos and above and relies on the SNI (“Server Name Indication”) extension which is now supported by the vast …

Deploying React with Zero Configuration

So you want to build an app with React? “Getting started” is easy… and then what?

React is a library for building user interfaces, which comprise only one part of an app. Deciding on all the other parts — styles, routers, npm modules, ES6 code, bundling and more — and then figuring out how to use them is a drain on developers. This has become known as javascript fatigue. Despite this complexity, usage of React continues to grow.

The community answers this challenge by sharing boilerplates. These boilerplates reveal the profusion of architectural choices developers must make. …

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 services, which is a relatively small number compared to Netflix or Twitter (who employ hundreds of services). But we’re growing, and we’re always evaluating our …

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 running two major services on our in-house infrastructure: one for HDS (historical data service) and the other for smart insights and analysis. However, it was …

Heroku Metrics

For almost two years now, the Heroku Dashboard has provided a metrics page to display information about memory usage and CPU load for all of the dynos running an application. Additionally, we've been providing aggregate error metrics, as well as metrics from the Heroku router about incoming requests: average and P95 response time, counts by status, etc.

Almost all of this information is being slurped out of an application's log stream via the Log Runtime Metrics labs feature. For applications that don't have this flag enabled, which is most applications on the platform, the relevant logs are still generated, but …

Announcing Heroku Free SSL Beta and Flexible Dyno Hours

Editor's Note: SSL Is Now Included on All Paid Dynos as of September 22, 2016

At Heroku, we want to make it easy for everyone to be able to learn and explore our service, and the related ecosystem of technologies, for free – be it student, professional developer, hobbyist or just curious individual. We view this as both part of our mission and our business model; it has never been a more interesting – or important – time to be a developer, and we want to help everyone become one.

Today we are announcing two important updates to help bring …

Container-Ready Rails 5

Rails 5 will be the easiest release ever to get running on Heroku. You can get it going in just five lines:

$ rails new myapp -d postgresql
$ cd myapp
$ git init . ; git add . ; git commit -m first
$ heroku create
$ git push heroku master

These five lines (and a view or two) are all you need to get a Rails 5 app working on Heroku — there are no special gems you need to install, or flags you must toggle. Let's take a peek under the hood, and explore the interfaces baked …

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 merchant activity, such as load testing stores or importing a large number of orders.

I recently tweeted our requests-per-hour graph. It showed that during the …

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