---
title: "Fly Machines"
description: "Fly Machines are fast-booting virtual machines that run any code, from web servers to background jobs. They are the compute behind every app on Fly.io."
---

# *Fly Machines* on Fly.io

Lightweight, fast-booting virtual machines for running any code. Need a web server? Background job? Script for world domination? Run it on a Fly Machine.

[Try It Now](https://fly.io/app/sign-up?s=machines)

![Fly Machines Compute Infrastructure](https://fly.io/phx/ui/images/launch-demo-67cb9ed2d80d449295c01fe6dd7470b0.png?vsn=d)

## Fast-booting VMs for Any Code

Fly Machines are the compute behind apps on Fly.io. Here's what you get:

Lightweight VMs that start and stop in milliseconds

Deploy any containerized application

Global private networking between your machines

Autoscaling and pay-as-you-go pricing

Automatic health checks and monitoring

[Try Fly Machines](https://fly.io/app/sign-up?s=machines)

## Full-service Compute at Serverless Speeds

Fly Machines use Firecracker: the same fast-launching microVMs that back AWS Lambda. Get sub-second starts and stops with full VM control.

[Try Fly Machines](https://fly.io/app/sign-up?s=machines)

![Fly Machines Infrastructure](https://fly.io/phx/ui/images/Rocket-Machines-4cc02e363674b4aa73485060f5f2c13a.png?vsn=d)

![Global Availability](https://fly.io/phx/ui/images/closest-machine-a2a83a32304b0fc24b369fe3f8e34d99.png?vsn=d)

## Your Own Secure Private Network

Fly Machines live on a global secure private network that you get by default, allowing you to connect to your apps publicly *or* privately with [granular routing](https://docs.fly.io/networking).

Best of all? No matter where you deploy your Machines, we automatically route requests to the ones closest to your users.

[Try Fly Machines](https://fly.io/app/sign-up?s=machines)

## Pay-As-You-Go Pricing

Only pay for what you use. Fly Machines scale from small apps to massive workloads with transparent, per-second billing.

[View Pricing](https://fly.io/pricing/)

## Deploy Anywhere with Fly Machines

Deploy your applications globally with Fly Machines. Scale fast, run anywhere.

[Try Fly Machines](https://fly.io/app/sign-up?s=machines)