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AI & ML
- AI & ML
  Learn about artificial intelligence and machine learning across the GitHub ecosystem and the wider industry.
  - Generative AI
    Learn about and how to build with generative AI.
  - GitHub Copilot
    Change how you work with GitHub Copilot.
  - LLMs
    Everything developers need to know about LLMs.
  - Machine learning
    Machine learning tips, tricks, and best practices.
- How AI code generation works
  Explore the capabilities and benefits of AI code generation and how it can improve your developer experience.
  Learn more
Developer skills
- Developer skills
  Resources for developers to grow in their skills and careers.
  - Application development
    Insights and best practices for building apps.
  - Career growth
    Tips & tricks to grow as a professional developer.
  - GitHub
    Improve how you use GitHub at work.
  - GitHub Education
    Learn how to move into your first professional role.
  - Programming languages & frameworks
    Stay current on what’s new (or new again).
- Get started with GitHub documentation
  Learn how to start building, shipping, and maintaining software with GitHub.
  Learn more
Engineering
- Engineering
  Get an inside look at how we’re building the home for all developers.
  - Architecture & optimization
    Discover how we deliver a performant and highly available experience across the GitHub platform.
  - Engineering principles
    Explore best practices for building software at scale with a majority remote team.
  - Infrastructure
    Get a glimpse at the technology underlying the world’s leading AI-powered developer platform.
  - Platform security
    Learn how we build security into everything we do across the developer lifecycle.
  - Scripting & automation
    How GitHub engineers use scripting and automation.
  - User experience
    Find out what goes into making GitHub the home for all developers.
- How we use GitHub to be more productive, collaborative, and secure
  Our engineering and security teams do some incredible work. Let’s take a look at how we use GitHub to be more productive, build collaboratively, and shift security left.
  Learn more
Enterprise software
- Enterprise software
  Explore how to write, build, and deploy enterprise software at scale.
  - Automation
    Automating your way to faster and more secure ships.
  - CI/CD
    Guides on continuous integration and delivery.
  - Collaboration
    Tips, tools, and tricks to improve developer collaboration.
  - DevOps
    DevOps resources for enterprise engineering teams.
  - DevSecOps
    How to integrate security into the SDLC.
  - Governance & compliance
    Ensuring your builds stay clean.
  - Secure enterprise development
    Locking down the SDLC one step at time.
- How enterprise engineering teams can successfully adopt AI
  Learn how to bring AI to your engineering teams and maximize the value that you get from it.
  Learn more
News & insights
- News & insights
  Keep up with what’s new and notable from inside GitHub.
  - Company news
    An inside look at news and product updates from GitHub.
  - Product
    The latest on GitHub’s platform, products, and tools.
  - Octoverse
    Insights into the state of open source on GitHub.
  - Policy
    The latest policy and regulatory changes in software.
  - Research
    Data-driven insights around the developer ecosystem.
  - Surveys
    What developers and industry leaders say matters most.
  - The library
    Older news and updates from GitHub.
- Unlocking the power of unstructured data with RAG
  Learn how to use retrieval-augmented generation (RAG) to capture more insights.
  Learn more
Open source
- Open source
  Everything open source on GitHub.
  - Documentation
    Tips for creating and maintaining documentation.
  - Gaming
    Open source games on GitHub.
  - Git
    The latest Git updates.
  - Licenses
    Open source licenses, explained.
  - Maintainers
    Spotlighting open source maintainers.
  - Social impact
    How open source is driving positive change.
- An introduction to innersource
  Organizations worldwide are incorporating open source methodologies into the way they build and ship their own software.
  Learn more
Security
- Security
  Stay up to date on everything security.
  - Application security
    Application security, explained.
  - Supply chain security
    Demystifying supply chain security.
  - Vulnerability research
    Updates from the GitHub Security Lab.
  - Web application security
    Helpful tips on securing web applications.
- The enterprise guide to AI-powered DevSecOps
  Learn about core challenges in DevSecOps, and how you can start addressing them with AI and automation.
  Learn more

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Home / Engineering / Page 8

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. But no matter what scale you’re operating at, the fundamental question for an engineering team boils down to how to optimize for developer productivity, collaboration, and security, in concert. Hear from the folks on the frontlines about how we’re building our own platform securely and improving our own developer experiences, not only to be more productive, collaborative, and secure but also to be creative, happier, and produce the best work of our lives.

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Transit and Peering: How your requests reach GitHub

GitHub is at a scale that provides exposure to interesting aspects of running a major site and are working to mature and level-up many parts of our infrastructure as we…

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Evolution of GitHub’s data centers

Over the past 18 months we’ve made a significant investment in GitHub’s physical infrastructure. The goal of this work is to improve the redundancy and global availability of our system.…

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Kubernetes at GitHub

Over the last year, GitHub has gradually evolved the infrastructure that runs the Ruby on Rails application responsible for github.com and api.github.com. We reached a big milestone recently: all web…

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Topic Suggestions for Millions of Repositories

We recently launched Topics, a new feature that lets you tag your repositories with descriptive words or phrases, making it easy to discover projects and explore GitHub.com. Topic suggestions on…

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Soft U2F

In an effort to increase the adoption of FIDO U2F second factor authentication, we’re releasing Soft U2F: a software-based U2F authenticator for macOS. We’ve long been interested in promoting better…

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MySQL infrastructure testing automation at GitHub

Our MySQL infrastructure is a critical component to GitHub. MySQL serves GitHub.com, GitHub’s API, authentication and more. Every git request touches MySQL in some way. We are tasked with keeping…

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DNS Infrastructure at GitHub

At GitHub we recently revamped how we do DNS from the ground up. This included both how we interact with external DNS providers and how we serve records internally to…

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Architecture & optimization

How Four Native Developers Wrote An Electron App

Today we released the new GitHub Desktop Beta, rewritten on Electron.Electron is a well-known on-ramp for web developers to build desktop apps using familiar web technologies: HTML, CSS, and JavaScript.

An illustration of two octocats repairing a robot.

Enabling DNS split authority with OctoDNS

Building robust systems involves designing for failure. As Site Reliability Engineers at GitHub, we’re always on the lookout for places where redundancy can help to mitigate problems, and today we’ll…

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A formal spec for GitHub Flavored Markdown

We’re releasing a formal specification of the syntax for GitHub Flavored Markdown, and its corresponding reference implementation.

Discontinue support for weak cryptographic standards

Cryptographic standards are ever evolving. It is the canonical game of security cat and mouse, with attacks rendering older standards ill-suited, and driving the community to develop newer and stronger…

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A glimpse into GitHub’s Bug Bounty workflow

Last month, we announced the third anniversary of our Bug Bounty Program. While there’s still time to disclose your findings through the program, we wanted to pull back the curtain…

GitHub’s post-CSP journey

Last year we shared some details on GitHub’s CSP journey. A journey was a good way to describe it, as our usage of Content Security Policy (CSP) significantly changed from…

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Moving persistent data out of Redis

Historically, we have used Redis in two ways at GitHub: We used it as an LRU cache to conveniently store the results of expensive computations over data originally persisted in…

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Orchestrator at GitHub

GitHub uses MySQL to store its metadata: Issues, Pull Requests, comments, organizations, notifications and so forth. While git repository data does not need MySQL to exist and persist, GitHub’s service…

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