Fly.io

Fly.io's API for launching and managing VMs with configurable restart policies.

REST API to provision and manage Fly Apps, Fly Machines, and Fly Volumes.

Firecracker microVM-based compute service with hardware-virtualized workload isolation.

Short-lived OIDC token service for Fly Machines to authenticate with third-party cloud providers without hardcoded credentials.

The Fly.io CLI for managing apps, machines, and deployments from the command line.

Rust-based edge proxy for connection handling, TLS termination, and inter-datacenter backhaul.

TOML-based app configuration for Fly.io deployments via Fly Launch.

Dynamic autoscaling for Fly Machines with two modes: autostop/autostart and metrics-based scaling.

Fly.io service that automates app creation and configuration for quick deployment.

Managed PostgreSQL service on Fly.io with PgBouncer connection pooling and direct connection options.

Firecracker VM runtime for running containerized workloads on Fly.io.

Fully managed PostgreSQL clusters with PGBouncer pooling, roles, and plans.

Fly Kubernetes: --- title: "Fly.io developer documentation" layout: docs toc: false breadcrumbs: false nav: firecracker --- <div class="grid grid-cols-2 items-center"> <div> ## Ready to get started?

Fly Volumes: --- title: "Fly.io developer documentation" layout: docs toc: false breadcrumbs: false nav: firecracker --- <div class="grid grid-cols-2 items-center"> <div> ## Ready to get started?

Command-line utility for working with Fly.io using fly commands, from account creation to deploying apps.