Latest Posts from the Fly Blog

By Amos Wenger

How to make Rust leak memory (also: how to make it stop)

We have a Rust-based proxy. It was leaking memory. We fixed it, and we'll talk about that, but to be really thorough, we'll look at how loading a web page works. Starting with hardware interrupts. The downside of Thomas writing job postings is th...

Read more  

Read more
By The Fly.io Balloon

Logbook - 2022-06-10

Here's our latest changelog. This week we're putting the in-browser UI updates a little closer to all the other ones, to see if they'll play nicely together. [Feature] Our WireGuard peers sync a lot faster with the kernel's wg state, by adding ...

Read more 

Read more
By The Fly.io Balloon

Logbook - 2022-06-01

Here's our latest changelog. Looking back over the week, our forum community has been quite a driver of (logged) change. When you're done here, head over there to be a part of it! [Feature] Created an example Node.js app to demonstrate how to e...

Read more 

Read more
By The Fly.io Balloon

Logbook - 2022-05-26

Work leading up to the Fly Machines launch involved a multitude of changes by many of the cogs in this corporate machine, but that's not to say the other production lines have been idle. For one thing, our web UI has been transforming before our e...

Read more 

Read more
By Kurt Mackey

Fly Machines: An API for Fast-booting VMs

Fly Machines are VMs with a fast REST API that can boot instances in about 300ms. Our proxy can boot Fly Machines for you, and you can shut them down when they're idle. Which means you can cost-effectively create VMs and keep them standing by to h...

Read more 

Read more
By Mark Ericksen

Fly.io Is Hiring Rails Specialists

We want Fly.io to be the best place on the Internet to run Ruby on Rails apps, and especially Hotwire. If you're a Rails developer that's enthusiastic about Hotwire, we need your help. Here's Fly.io's not-so-secret evil plan. We make it easy to ru...

Read more 

Read more
By The Fly.io Balloon

Logbook - 2022-05-13

[Feature] Provisioned new servers in syd, iad, and dfw which were very full. Added capacity should mean customers should no longer get provisioning issues when trying to deploy to these regions. [Feature] The account deactivation page now ask...

Read more 

Read more
By Ben Johnson

I'm All-In on Server-Side SQLite

The conventional wisdom of full-stack applications is the n-tier architecture, which is now so common that it's easy to forget it even has a name. It's what you're doing when you run an "application server" like Rails, Django, or Remix alongside a...

Read more 

Read more
By Chris Nicoll

Logbook - 2022-05-05

Features and fixes are flying like dodgeballs in a school gym, and the Fly.io Changelog Enforcer could probably have done a better job patrolling—but let's have a look at our haul of updates since our first Logbook post. There's a fair amount of ...

Read more 

Read more
By Nolan Darilek

Accessibility and Real-time Apps: Clearing Fog and Picking Fruit

Hey, everyone. Last time we talked a bit about what accessibility is, why it's important, and how you can incorporate it into your process. Today, using the time-travel superpowers of Git, I'll take you along as I start making LiveBeats more acces...

Read more 

Read more
By Chris Nicoll

Logbook - 2022-04-20

Here's a changelog covering our most recent activity (i.e. since we started compiling updates, a bit under two weeks ago): [Feature] Added extra capacity in IAD. [Feature] Backup regions (by far our most confusing misfeature) are now disabled...

Read more 

Read more
By Thomas Ptacek

A Foolish Consistency: Consul at Fly.io

We set the scene, as usual, with sandwiches. Dig if you will the picture: a global Sandwich Bracket application, ascertaining once and for all the greatest sandwich on the planet. Fly.io wants our app, sandwich-bracket, deployed close to users aro...

Read more 

Read more
By Nolan Darilek

Accessibility for Real-time Web Apps

Like every developer, I rely on a number of products and services to manage and promote my many side projects. But I've had more than one neat idea go down in flames because I simply couldn't use the amazing, must-have service that would have mad...

Read more 

Read more