Engineering

Over the course of a year, GitHub’s engineers make millions of commits across all of our internal repositories, process billions of API requests, and run tens of thousands of deployments across the internal apps that power GitHub’s services. We use many of GitHub’s products and plenty of other open source tools to operate at this scale. Here’s an inside look into how we do it.

Architecture & optimization

GitHub Mobile and GraphQL

GitHub’s mobile applications have used GraphQL to power new features. We’ve now been able to move faster and get more done with less hassle and no over-fetching. We were able…

Engineering

How we threat model

At GitHub, we spend a lot of time thinking about and building secure products—and one key facet of that is threat modeling. This practice involves bringing security and engineering teams…

Engineering

Upgrading GitHub to Ruby 2.7

GitHub recently upgraded to Ruby 2.7. Learn how the team approached the deprecation warnings, why upgrading is important, and the notable performance improvements.

Architecture & optimization

Why Write ADRs

How architecture decision records can help your team.

Architecture & optimization

CodeGen: Semantic’s improved language support system

The Semantic Code team shipped a massive improvement to the language support system that powers code navigation. Code navigation features only scratch the surface of possibilities that start to open up when we combine Semantic‘s program analysis potential with GitHub’s scale.

Engineering

How we launched docs.github.com

ICYMI: docs.github.com is the new place to discover all of GitHub’s product documentation! We recently completed a major overhaul of GitHub’s documentation websites. When you visit docs.github.com today, you’ll see…

Engineering

Three bugs in the Go MySQL Driver

Check out what we learned from shipping our busiest Go service in production—we found 3 bugs in the Go MySQL driver.

Engineering

Remote work: Engineering’s perspective on humanizing the remote work experience

The GitHub engineering team shares best practices for making remote work part of your company culture.

Engineering

Remote work: Working together when we’re not together

GitHub shares best practices for making remote work part of your company culture.

Architecture & optimization

From 48k lines of code to 10—the story of GitHub’s JavaScript SDK

Learn about the legacy, architecture, and methods used to reduce 48k lines of code to 10 as we take a deep dive into GitHub’s Javascript SDK.

Engineering

CERT partners with GitHub Security Lab for automated remediation

Learn more about how we found ways to scale our vulnerability hunting efforts and empower others to do the same. In this post, we’ll take a deep-dive in the remediation of a security vulnerability with CERT.

Engineering

Behind the scenes: GitHub security alerts

Learn more about what’s behind the scenes with GitHub vulnerability alerts.

Engineering

Debugging network stalls on Kubernetes

In this deep-dive, we identified and worked through sporadic latency issues with services running on Kubernetes in our environment.

Engineering

Introducing the CodeSearchNet challenge

We’re announcing the CodeSearchNet Challenge and releasing a large dataset for natural language processing and machine learning.

Engineering

Running GitHub on Rails 6.0

On August 26, 2019, the GitHub application was deployed to production with 100% of traffic on the newest Rails version: 6.0. Read more about our process for upgrading, what we learned, and what’s next.