firecracker-microvm/firecracker
Secure and fast microVMs for serverless computing.
Recommended between 2026-04-06 and 2026-04-14. Last pushed 2026-11-02.
▲ 1 recommend · ▼ 1 criticism
What hackers say
“For hardware virtualized machines it much harder but you can do it via:”
— benswerd, 2026-04-06 · original comment on Hacker News ↗
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…onstant small/medium size workloads You can handroll a lot with: https://github.com/nestybox/sysbox?tab=readme-ov-file https://gvisor.dev https://github.com/containers/bubblewrap?tab=readme-ov-file For hardware virtualized machines it much harder but you can do it via: https://github.com/firecracker-microvm/firecracker/ https://github.com/cloud-hypervisor/cloud-hypervisor Freestyle/other providers will likely provide better debugging experience but thats something you can probably get past for a lot of workloads. The time when you/anyone should think about Freestyle/anyone is when the load spikes/the need to create hundreds of VMs in short spikes shows up, or when you're looking for some…
Criticism
“You're likely to experience operational + setup hiccups to use it in production.”
— binsquare, 2026-04-14 · original comment on Hacker News ↗
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firecracker was designed for AWS Lambda and designed to be maintained by multiple AWS teams. You're likely to experience operational + setup hiccups to use it in production. Just look at their setup docs: Setup: https://github.com/firecracker-microvm/firecracker/blob/main/docs/getting-started.md https://github.com/firecracker-microvm/firecracker/blob/main/docs/prod-host-setup.md
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