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Cloud Infrastructure

Containers, specifically Docker, are all the rage. Most DevOps setups feature Docker somewhere in the CI pipeline. This likely means that any build environment you look at, will be using a container solution such as Docker. These build environments need to take untrusted user-supplied code and execute it. It makes sense to try and securely containerize this to minimize risk.

In this post, we’re going to explore how a small misconfiguration in a build environment …

Kubernetes is a container orchestration system that originated at Google, and is now being maintained by the Cloud Native Computing Foundation. In this post, I am going to dissect some Kubernetes internals—especially, Deployments and how gradual rollouts of new containers are handled.

What Is a Deployment?

This is how the Kubernetes documentation describes Deployments:

A Deployment controller provides declarative updates for Pods and ReplicaSets.

A Pod is a group of one or more containers …

The following is the story of how Randall Degges created a simple API to solve the common problem of external IP address lookup and how he scaled it from zero to over 10 thousand requests per second (30B/month!) using Node.js and Go on Heroku.

Several years ago I created a free web service, ipify. It is a highly scalable IP address lookup service. When you make a GET request against it, it returns your …

Need to quickly catch up on this past quarter's announcements? Here are the top three topics to tune in on:

Heroku has expanded regions availability for Private Spaces and introduced the general availability of the Dublin region on September 26, 2017. Heroku users are able to run apps in all of the following Private Spaces regions: Virginia, Oregon, Frankfurt, Tokyo, Sydney, and Dublin. Please verify that your add-on's manifest accurately reflect the supported Privates Spaces …

In the last few years Docker has emerged as a de facto standard for packaging apps for deployment. Today, Heroku Container Registry and Runtime is generally available, allowing you to deploy your Docker images directly to Heroku.

With Container Registry, you get all of the benefits of Docker — a great local development experience and flexibility to create your own stack — with the benefits of running on Heroku: maintained infrastructure, container orchestration, routing, the …

Pushing an app to the cloud can feel like launching a probe into space. Once your project is thousands of miles away you can't bang on it with a hammer or replace broken parts when there's a problem. Your debugging efforts must rely on the instrumentation, telemetry, and remote controls included with the app when it was deployed. On Heroku, we've gladly done some of that prep work for you.

Two new Heroku features, Heroku …

Event-driven architectures are on the rise, in response to fast-moving data and constellations of inter-connected systems. In order to support this trend, last year we released Apache Kafka on Heroku – a gracefully integrated, fully managed, and carefully optimized element of Heroku’s platform that is the culmination of years of experience of running many hundreds of Kafka clusters in production and contributing code to the Kafka ecosystem.

Today, we are excited to announce additional plans and pricing in our Kafka offering in order to make Apache Kafka more accessible, and to better support development, testing, and low volume production needs.

We're happy to announce that Heroku app webhooks is now generally available for all Heroku customers.

App webhooks provide notifications when your Heroku app changes, including modifications to domain settings, releases, add-ons, and dyno formations. These notifications can empower your internal communications, dashboards, bots or anything else that can receive HTTP POST requests. Integrating with Heroku webhooks provides easy support for driving custom workflows and 3rd party tools.

Creating webhooks

With the webhooks CLI plugin, …

Need to quickly catch up on this past quarter's announcements? Here are the top three topics to tune in on:

Heroku announced the general availability of continuous integration (CI) on May 18, 2017. This new feature creates copies of staging apps to run tests, then destroys the app and its add-ons. With Heroku CI, you will see an increase in the number of default ephemeral plan resources regularly provisioned on Heroku review and CI apps. …

Today, we are excited to announce DNS Service Discovery for Heroku Private Spaces, an easy way to find and coordinate services for microservice-style deployments.

As applications grow in sophistication and scale, developers often organize their applications into small, purpose-built “microservices”. These microservice systems act in unison to achieve what otherwise would be handled by a single, larger monolithic application, which serves the benefit of simplifying applications’ codebases and improving their overall reliability.

DNS Service Discovery …

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