The Fly Blog

https://fly.io/blog

News, tips, and tricks from the team at Fly

The Fly Blog

Entries

  • Litestream Writable VFS

    I’m Ben Johnson, and I work on Litestream at Fly.io. Litestream is the missing backup/restore system for SQLite. It’s...

  • The Design & Implementation of Sprites

    We’re Fly.io, and this is the place in the post where we’d normally tell you that our job is to take your containers ...

  • Code And Let Live

    The state of the art in agent isolation is a read-only sandbox. At Fly.io, we’ve been selling that story for years, a...

  • Litestream VFS

    I’m Ben Johnson, and I work on Litestream at Fly.io. Litestream is the missing backup/restore system for SQLite. It’s...

  • You Should Write An Agent

    Some concepts are easy to grasp in the abstract. Boiling water: apply heat and wait. Others you really need to try. Y...

  • Corrosion

    Fly.io transmogrifies Docker containers into Fly Machines: micro-VMs running on our own hardware all over the world. ...

  • Kurt Got Got

    The $FLY Airdrop is live! Claim your share of the token powering Fly.io’s global network of 3M+ apps and (🤮) own a pi...

  • Litestream v0.5.0 is Here

    I’m Ben Johnson, and I work on Litestream at Fly.io. Litestream makes it easy to build SQLite-backed full-stack appli...

  • Build Better Agents With MorphLLM

    I’m an audiophile, which is a nice way to describe someone who spends their children’s college fund on equipment that...

  • Trust Calibration for AI Software Builders

    Trust calibration is a concept from the world of human-machine interaction design, one that is super relevant to AI s...

  • Games as Model Eval: 1-Click Deploy AI Town on Fly.io

    Recently, I suggested that The Future Isn’t Model Agnostic, that it’s better to pick one model that works for your pr...

  • The Future Isn't Model Agnostic

    Your users don’t care that your AI project is model agnostic. In my last project, I spent countless hours ensuring th...

  • Phoenix.new – The Remote AI Runtime for Phoenix

    I’m Chris McCord, the creator of Elixir’s Phoenix framework. For the past several months, I’ve been working on a skun...

  • What are MCP Servers?

    With Fly.io, you can get your app running globally in a matter of minutes, and with MCP servers you can integrate wit...

  • My AI Skeptic Friends Are All Nuts

    A heartfelt provocation about AI-assisted programming. Tech execs are mandating LLM adoption. That’s bad strategy. Bu...

  • Using Kamal 2.0 in Production

    Agile Web Development with Rails 8 is off to production, where they do things like editing, indexing, pagination, and...

  • parking_lot: ffffffffffffffff...

    We’re Fly.io, a public cloud that runs apps in a bunch of locations all over the world. This is a post about a gnarly...

  • Litestream: Revamped

    Litestream is an open-source tool that makes it possible to run many kinds of full-stack applications on top of SQLit...

  • Launching MCP Servers on Fly.io

    This is a blog post. Part showing off. Part opinion. Plan accordingly. The Model Context Protocol is days away from t...

  • Provisioning Machines using MCPs

    Today’s state of the art is K8S, Terraform, web based UIs, and CLIs. Those days are numbered. On Monday, I created my...