fly.io

Route to the nearest Fly Machine region over the private network for low latency

Expose a service on the Fly 6PN so other Machines can reach it (fly-local-6pn binding)

Tunnel a local port to a specific Fly Machine with fly proxy (WireGuard)

Resolve hosts on a Fly.io private network with the Fly .internal DNS server

Reach a specific Fly Machine over the private network by stable internal hostname

Reach a specific Fly Machine over the private network by stable internal hostname

Manage Fly.io WireGuard peers: create, list, remove, reset, and toggle WebSocket tunneling

Connect a development machine to a Fly.io app's private network (6PN) over a WireGuard VPN

Clone a Fly Machine, optionally restoring volume data from snapshot

Configure a Fly.io deployment strategy and options with fly deploy

Add a custom-domain TLS certificate to a Fly.io app with fly certs add

Check the current status of a Fly.io app with fly status

Add a WireGuard peer connection to a Fly.io organization

Delete one or more Fly.io apps with fly apps destroy

View deploy/release history for a Fly.io app with fly releases

Create a persistent volume for a Fly Machine with fly volumes create

Attach a Fly.io Postgres cluster to an app with fly postgres attach

Stream or fetch logs for a Fly.io app with fly logs

Create a new empty Fly.io application with fly apps create

Roll back a Fly.io deployment to a previous image

Stream and filter application logs for a Fly.io app with fly logs

Tunnel a local port to a Fly Machine with fly proxy

Open an interactive shell on a Fly Machine with fly ssh console

Execute a command inside a running Fly Machine non-interactively with fly machine exec

Create a Fly Machine via the Machines REST API

Run a one-off or long-lived Fly Machine with fly machine run

Configure a Fly.io app's fly.toml: env vars, build options, release_command, and shutdown behavior

Deploy an application built from a Dockerfile to Fly.io with fly deploy

Launch and deploy a new application to Fly.io with flyctl

Create a Fly Machine via the Machines REST API

Run a one-off or long-lived Fly Machine with fly machine run

Configure a Fly.io app's fly.toml: env vars, build options, release_command, and shutdown behavior

Deploy an application built from a Dockerfile to Fly.io with fly deploy

Launch and deploy a new application to Fly.io with flyctl

Export Fly.io logs to an external sink with the Fly Log Shipper

Stream Fly.io application logs live via the CLI (fly logs)

Fetch recent Fly.io app logs programmatically over HTTP

Stream Fly.io application logs live via the CLI (fly logs)

Fetch recent Fly.io app logs programmatically over HTTP

Show status, current deployment, and machine health of a Fly.io app with fly status

Run a one-off command or interactive console on a Fly.io machine with fly machine exec / fly console

Run a one-off command or interactive console on a Fly.io machine with fly machine exec / fly console

Deploy a Fly.io app directly from a Docker image without rebuilding source

Create, list, restart, or destroy Fly.io applications with fly apps

Create and configure a new Fly.io app from source or an image with fly launch

Scale a Fly.io app's VM count, memory, or machine size with fly scale

Scale a Fly.io app's VM count, memory, or machine size with fly scale

Create, start, stop, restart, and destroy a Fly Machine with fly machine

Set, list, or unset encrypted secrets for a Fly.io app with fly secrets

Tail or fetch application logs for a Fly.io app with fly logs

Deploy a Fly.io app from source code with the fly deploy CLI command

Deploy a Fly.io app from source code with the fly deploy CLI command

Create, start, stop, restart, and destroy a Fly Machine with fly machine

Set, list, or unset encrypted secrets for a Fly.io app with fly secrets

Tail or fetch application logs for a Fly.io app with fly logs

Deploy a Fly.io app from source code with the fly deploy CLI command

Tail or fetch runtime logs for a Fly.io app programmatically

Add a custom domain to a Fly app and obtain TLS certificates via DNS validation or TLS-ALPN challenge.

Enable private networking between Fly apps using .internal DNS and Flycast with allocated private IPv6 addresses.

Configure TCP and HTTP health checks on Fly Machines with startup grace period and check intervals.

Configure TCP and HTTP health checks on Fly Machines with startup grace period and check intervals.

Set app secrets for Fly machines: use flyctl and API, understand restart behavior and secret availability timing

Create and manage Fly volumes via Machines API: create, attach to machines, extend size, and manage snapshots

Configure autostop/autostart for machines to enable idle-driven lifecycle management

Update an existing Fly Machine's config via the Machines API (image, guest CPU/memory, env vars)

Manage Fly Machine lifecycle (start/stop/suspend/delete) safely via the Machines API using leases and the wait endpoint.

Create and start a Machines API machine running a Docker image with HTTP service and public ports.

Create a Fly app and prepare it for Machines via the Machines API, including public IP allocation.

Authenticate to the Fly.io Machines API using API tokens and authorization headers.