flyctl

CLI for deploying apps on Fly.io platform

TLDR

Launch new app

$ flyctl launch

Deploy application

$ flyctl deploy

List apps

$ flyctl apps list

View logs

$ flyctl logs

SSH into machine

$ flyctl ssh console

SYNOPSIS

flyctl command [options] [arguments]

flyctl (also available as fly) is the CLI for Fly.io, a platform for deploying applications globally on edge infrastructure. It manages applications, deployments, and platform resources.
The tool deploys Docker containers or builds from source, distributing them across Fly's global network. It handles secrets, volumes, scaling, and networking configuration.
flyctl enables full platform control from the command line, from initial launch to production management.

PARAMETERS

COMMAND

Operation: launch, deploy, apps, logs, ssh, etc.

launch

Create and deploy new app.

deploy

Deploy current directory.

apps SUBCMD

Manage applications.

logs

View application logs.

ssh SUBCMD

SSH access to machines.

secrets SUBCMD

Manage secrets/environment.

scale SUBCMD

Adjust resources.

--help

Display help information.

CONFIGURATION

fly.toml

Application configuration file defining services, regions, build settings, and environment variables.

CAVEATS

Requires Fly.io account. Usage incurs costs. Some features region-dependent.

HISTORY

flyctl is the CLI for Fly.io, a platform launched in 2017 focusing on edge deployment. It positions applications close to users worldwide using lightweight VMs.