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Scaling ipify to 30 Billion Requests and Beyond on Heroku

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 public-facing IP address. Try it out yourself! I created ipify because, at the time, I was building complex infrastructure management software and needed to dynamically discover…

FY18 Q3 recap: New Private Spaces Dublin Region Support & Heroku Webhooks GA

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 regions. Heroku app webhooks for customers and add-on webhooks for partners are generally available. Partners are able to track many kinds of events relating to…

FY18 Q2 recap: Heroku Continuous Integration GA & Ephemeral Apps

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. Previously, these apps used the add-on plan configured for staging. As developers adopt CI/CD workflows, temporary deployments are becoming increasingly common. When ephemeral apps and…

Announcing Platform API for Partners

Heroku has always made it easy for you to extend your apps with add-ons. Starting today, partners can access the Platform API to build a more secure and cohesive developer experience between add-ons and Heroku. Advancing the Add-on User Experience Several add-ons are already using the new Platform API for Partners. Adept Scale, a long-time add-on in our marketplace that provides automated scaling of Heroku dynos, has updated its integration to offer a stronger security stance, with properly scoped access to each app it is added to. Existing customer integrations have been updated as of Friday May 12th. All new…

Heroku Connect APIs Now GA

Today we’re announcing that the APIs for the Heroku Connect data synchronization service are now GA. These fully supported endpoints will help our users with the tasks they most need repeatable automation for: creating consistent configuration across development, staging, and production environments; managing connections across multiple Salesforce deployments; and integrating Heroku Connect status with their existing operational systems and alerts. When we first released Heroku Connect, users were delighted with the simple point and click UI: they could suddenly integrate Salesforce data with Heroku Postgres in one enjoyable minute! But as users’ familiarity with the service has grown and their…

Simulate Third-Party Downtime

I spend most of my time at Heroku working on our support tools and services; help.heroku.com is one such example. Heroku's help application depends on the Platform API to, amongst other things, authenticate users, authorize or deny access, and fetch user data. So, what happens to tools and services like help.heroku.com during a platform incident? They must remain available to both agents and customers—regardless of the status of the Platform API. There is simply no substitute for communication during an outage. To ensure this is the case, we use api-maintenance-sim, an app we recently open-sourced, to regularly simulate Platform API…

How We Migrated to Active Record 4

If your application is successful, there may come a time where you’re on an unsupported version of a dependency. In the case of the Heroku Platform API, this dependency was a very old version of Active Record from many years ago. Due to the complexity involved in the upgrade, this core piece of infrastructure had been pegged at version 2.3.18, which was released in March 2013. We're happy to announce that we've overcome the challenge and are now running Active Record 4.2.4, the latest version, in production. In this post, we'll describe the technical challenges we faced in the upgrade…

Improved production stability with circuit breakers

Fun fact: the Heroku API consumes more endpoints than it serves. Our availability is heavily dependent on the availability of the services we interact with, which is the textbook definition of when to apply the circuit breaker pattern. (more…)

Introducing the app.json Application Manifest

Developers want to spend less time setting up applications and start working with the code sooner. Setting up applications is error-prone, time consuming and interruptive to the development flow. Often, there are several steps to go from your code or other samples and templates that you find in repositories online, to a running application that you can continue to work on. Today, we are excited to introduce the app.json manifest. app.json enables developers to define their applications' details, setup configurations and runtime environments in a structured way. Instead of providing step-by-step instructions, you can now add app.json files to your…

Introducing the Heroku HTTP API Toolkit

Today we’re open sourcing the toolchain Heroku uses to design, document, and consume our APIs. We hope this shows how Heroku thinks about APIs and gives you new tools to create your own APIs. This toolkit includes our HTTP API design guide, the prmd tool for managing JSON schemas and generating API docs, and client generators for Ruby and Go. Here’s some more information about these things, how we use them at Heroku, and an explanation of how you can try them yourself. HTTP API Design Guide The Heroku HTTP API Design Guide shows how we design and document APIs…

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