superfly/fly

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superfly/fly

superfly

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Deploy app servers close to your users. Package your app as a Docker image, and launch it in 17 cities with one simple CLI.

Fly.io

Fly is a hosting platform for running app servers close to users.

 # Ship a Docker image
 flyctl deploy

 # Launch it in multiple regions
 flyctl regions add ams hkg sjc

Where to go

flyctl
The command line interface for deploying and managing Fly hosted applications.
Speedrun
A really quick start, deploy a Docker image to Fly with just a few commands.
Documentation
Reference documentation for the Fly platform, configuration options, etc.
Fly JS (deprecated)
The Fly JavaScript runtime for building edge apps.

Write for Fly

We are building a library of example projects, articles, and technical explainers. We'll pay you to help, just head on over to the project board and see what's going on.

We're looking for two things:

Example applications that demonstrate how to build server applications that run close to users.
Articles about the plumbing underneath modern infrastructure

Example Apps

The best example apps demonstrate interesting problems developers can solve by running apps close to users. These apps should be small in scope and single purpose. They're not meant to be run directly, they're demonstrations of ideas that developers can apply to their own projects.

Explainer Articles

It is helpful for developers to understand the plumbing underneath their infrastructure. Technical explainers help with this, and should cover some part of internet/hosting infrastructure.

litefs

FUSE-based file system for replicating SQLite databases across a cluster of machines

flyctl

Command line tools for fly.io services

corrosion

Gossip-based service discovery (and more) for large distributed systems.

fly-log-shipper

Ship logs from fly to other providers

flyctl-actions

:octocat: GitHub Action that wraps the flyctl

init-snapshot

ltx

Go library for the LTX file format

tokenizer

HTTP proxy that injects 3rd party credentials into requests

fly-pr-review-apps

Github Action for PR Review Apps on Fly.io

wormhole

Fly.io secure tunnel

edge

A set of useful libraries for Edge Apps. Run locally, write tests, and integrate it into your deployment process. Move fast and maybe don't break things? Because, gosh darnit, you're an adult.

docs

fly_postgres_elixir

Library for working with local read-replica postgres databases and performing writes through RPC calls to other nodes in the primary Fly.io region.

fly-ruby

Ruby gem for handling requests within a Fly.io multiregion database setup

ssokenizer

litefs-example

An example of deploying LiteFS on Fly.io.

macaroon

Fly.io macaroon implementation

fly_rpc_elixir

Makes it easier to build distributed Elixir applications on the Fly.io platform. Adds region awareness to an app and makes it easy to perform RPC calls in other Fly.io regions.

litevfs

LiteFS VFS SQLite extension for serverless environments

rchab

Fly.io Remote Builder (Remote Controlled Hot Air Balloon)

fly.rs

Fly Edge Application runtime.

elixir-hiring-project

This is a sample project we use to assess Elixir/Phoenix/LiveView skills, and also simulate an idea of the type of work a dev advocate could end up doing at Fly.io.

dropspy

Go implementation of the venerable dropwatch utility

fly-node

Node.js Express-compatible middleware for enhancing apps deployed on Fly.io

tired-proxy

An http proxy that's just too tired and eventually shuts down

fly-autoscaler

A metrics-based autoscaler for Fly.io

fly-go

Go client for the Fly.io API

bfaas

Bash functions-as-a-service

onehostname

A Fly Edge Application for combining a bunch of different backends under one hostname

stimulus-live-elements

Live Element support for Rails via Stimulus

gravitas

fly-checks

Basic health-check framework

machine-proxy

PoC HTTP proxy for scale-to-zero apps via the Fly machines API

burn

HTTP load testing tool

fly-rails

Rails support for Fly-io

image-processing

multi-cloud-haproxy

doh-proxy

Docker image: DNS over HTTPS proxy

recco

Gain information about applications to inform deployments

litefs-go

Go library for interacting with LiteFS.

sqlite3-restore

Utility for performing an online restore of a SQLite database.

flyjs

The Fly JavaScript runtime (archived)

dashboards

Collection of dashboards for visualizing Fly.io app data

dns-help

Instructions for pointing a domain at your Fly edge application

glitch-domains

anti-roadmap

This is the opposite of a roadmap. A place where we track things we're probably not going to do.

rant2outline

Convert those rants to meetup talk outlines with the power of AI!

fly-builders

CNB Buildpacks for Fly - supporting (so far) Deno

fly.cr

Crystal HTTP middleware to handle fly.io multi-region postgres replays.

wordpress-image-optimizer

pixelfly

An HTTP image service

ghost-accelerator

ltx-rs

Rust library for the LTX file format

shout

Shouting is an effective way of communicating between hot air balloons

load-balancer

Fly application load balancer.

anycable-rails

Run Anycable with Rails on Fly

llm-describer

A simple image describer service using Ollama and PocketBase

embedding-v8-talk

A talk about embedding v8

flygit

https://rawgit.com on Fly

fly-heroku-buildpack

Heroku buildpack that automatically connects apps to Fly.io

homebrew-tap

litefs-node

A Node.js library for interacting with LiteFS.

cee-dee-en

A basic CDN example using a Fly Edge App

glitch-custom-hostnames

Run any glitch app with a custom hostname

litefs-ruby

Ruby library for interacting with LiteFS.

talks

Various talks we've given

tokenizer-elixir

macaroon-elixir

Elixir library for attenuating Fly.io macaroons

rust-templates

aws-lambda-express-example

A light-weight example of AWS Lambda, using Express.js and Claudia.js.

fileserver

Simple and dockerized fasthttp-based fileserver

domain-reseller-guide

fly-openapi-sdk

Generated API clients for the Fly machines API

flu

Start of a utility command line tool

lfsc-go

Go client for LiteFS Cloud

csharp-example

Deploy an example c# app to Fly

fly-docker-example

Demonstrates horizontal scaling with Docker/Nginx and Docker/Fly.

cookiebot

Example macaroon discharge service

redis-cache-example

api-versioning

actioncable_redis-reconnect

A patch for ActionCable Redis that reconnects after it disconnects

ruby-example

Deploy an example Ruby app to Fly

fly-on-deno

pushpin-example

ab-test-example-app

tipe-react-edge

Rendering Tipe API responses with React on the edge

responsive-images

Make images on any app responsive

go-example

Deploy an example Go app to Fly

gpu-burn-app

A Fly app to stress GPU cards

fsmap

Go module to list free block ranges on Linux filesystems by calling the `GETFSMAP` ioctl.

fly-rust-axum-starter