Fly.io

by Fly.io

Runs containers as fast-starting VMs in regions worldwide

Fly.io runs applications packaged as container images on Firecracker microVMs (Fly Machines) in regions around the world, managed through the flyctl CLI. It offers volumes, private networking, and managed Postgres, billed by usage. In 2026 the company refocused on Sprites, persistent Linux computers for AI agents, while stating that Machines and its PaaS features remain.

Key features

  • Deploy Docker images as Fly Machines
  • Multi-region placement
  • Persistent volumes and private networking
  • flyctl CLI for deploys and scaling
  • Sprites: persistent Linux computers for coding agents

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