GitHub implements Subresource Integrity
With Subresource Integrity (SRI), using GitHub is safer than ever. SRI tells your browser to double check that our Content Delivery Network (CDN) is sending the right JavaScript and CSS…
Category
Engineering
Cross-platform UI in GitHub Desktop
The comparison graph is the centerpiece of GitHub Desktop. It both drives the interaction with your branch and shows you the effects of your changes relative to a base branch.…
Benchmarking GitHub Enterprise
The release of GitHub Enterprise 2.0 brought more than just new features and support for deployment on Amazon Web Services. It also included a rework of our virtual machine architecture…
Scripts to Rule Them All
At GitHub we have a lot of software running our product and company. We also have a lot of potential contributing members. Being able to get from git clone to…
Read-only deploy keys
You can now create deploy keys with read-only access. A deploy key is an SSH key that is stored on your server and grants access to a single GitHub repository.…
Exception Monitoring and Response
Like most software applications, GitHub can generate a few exceptions. Incoming exceptions range from system-level issues including Git timeouts and missing references, to application-level issues including simple code mistakes and…
Brubeck, a statsd-compatible metrics aggregator
One of the key points of GitHub's engineering culture —and I believe, of any good engineering culture— is our obsession with aggressively measuring everything. Coda Hale's seminal talk "Metrics, Metrics…
Deploying branches to GitHub.com
At GitHub, we use a variant of the Flow pattern to deploy changes: new code is always deployed from a pull request branch, and merged only once it has been…
Rearchitecting GitHub Pages
GitHub Pages, our static site hosting service, has always had a very simple architecture. From launch up until around the beginning of 2015, the entire service ran on a single…
Browser Monitoring for GitHub.com
Most large-scale web applications incorporate at least some browser monitoring, collecting metrics about the user experience with JavaScript in the browser, but, as a community, we don't talk much about…
Workload Analysis with MySQL’s Performance Schema
Earlier this spring, we upgraded our database cluster to MySQL 5.6. Along with many other improvements, 5.6 added some exciting new features to the performance schema. MySQL's performance schema is…
Hello World
What does it take to run and build GitHub? On our new Engineering Blog we'll show you how it's done. Through the writings of our engineers you'll gain insight into…
The GitHub Engineering Blog
We are happy to introduce GitHub's Engineering Blog to the world. Starting today, you can read details about our infrastructure, learn about our development practices, and hear about the knowledge…
Eight lessons learned hacking on GitHub Pages for six months
Believe it or not, just over a year ago, GitHub Pages, the documentation hosting service that powers nearly three-quarters of a million sites, was little more than a 100-line shell…
Large Scale DDoS Attack on github.com
We are currently experiencing the largest DDoS (distributed denial of service) attack in github.com's history. The attack began around 2AM UTC on Thursday, March 26, and involves a wide combination…