Open Fire Serverless CI
Hello, HN community, I'm really excited to show you Open Fire a serverless CI, how does it work? relying on serverless technologies (firecracker) we can spin up a new VM in less than 200 ms running in a more powerful and newest CPU on the market, just change 1 line of code on your GitHub Actions Workflow and you're up and running! You can see our use case, where we implemented Open Fire in the NextJS repo taking down build time from 1 hour 17 minutes to 26 minutes which is a 66 % of improvement without any engineering effort! [1] The value of a CI/CD Pipeline is inversely proportional…
Open Fire Serverless CI launched on May 27, 2023 with 24 votes, #1,543 of 4,910 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 3 years on.
In plain words
Open Fire Serverless CI is a continuous integration tool that uses Firecracker virtual machines to execute build jobs in less than 200 milliseconds on high-performance CPUs. Users integrate it into GitHub Actions workflows with a single line of code changes. The tool is designed for development teams seeking to reduce build times and accelerate software release cycles without requiring engineering modifications to existing workflows.
written from the facts on this page · September 2026
From the sources
Set up in Seconds. Change one line of code. It's that simple to supercharge your CI pipeline. Ultra-fast VM Spin-Up. New VMs ready in under 200ms on the latest bare metal CPUs. Maximum Security with Minimum Footprint. Each build runs on a fresh, isolated VM using Firecracker technology, leaving no traces post-build. Optimize Costs and Performance. Customize your build's CPU resources from 4 to 32 cores to find the perfect balance for yourfrom open-fire.dev
In the maker’s words, at launch
Hello, HN community, I'm really excited to show you Open Fire a serverless CI, how does it work? relying on serverless technologies (firecracker) we can spin up a new VM in less than 200 ms running in a more powerful and newest CPU on the market, just change 1 line of code on your GitHub Actions Workflow and you're…
Does a similar job
all alternatives →- FCFire CI – Local CI server for GitHub with peer-to-peer option for teams2019 · ▲11
Hi HN! I'm Jean-Paul, the creator of Fire CI (https://fire.ci). I've been a dev for 10 years and building Fire CI for the past 6 months. Fire CI is a server that runs local builds in Docker on your own computer. It uses an installable agent to broker the builds with GitHub and also co-ordinates builds between your local server and other members of your team (optional). It's fast because there is no queueing and a tiny piece of your computer is more powerful than most hosted or rented cloud servers. It's scalable by design: each developer brings his own computing power. And IMHO the…
Serverless Cloud2022 · serverless.com · ▲283Build full stack apps better and faster than everyone else
Sub-millisecond VM sandboxes using CoW memory forkingMar 2026 · github.com · ▲311I wanted to see how fast an isolated code sandbox could start if I never had to boot a fresh VM. So instead of launching a new microVM per execution, I boot Firecracker once with Python and numpy already loaded, then snapshot the full VM state. Every execution after that creates a new KVM VM backed by a `MAP_PRIVATE` mapping of the snapshot memory, so Linux gives me copy-on-write pages automatically. That means each sandbox starts from an already-running Python process inside a real VM, runs the code, and exits. These are real KVM VMs, not containers: separate guest kernel, separate guest…
Firecracker2018 · firecracker-microvm.github.io · ▲10Secure and Fast microVM for Serverless Computing
Kedge – Full-stack cloud with forkable VM snapshots and global SQLiteJul 2026 · kedge.dev · ▲141I'm building Kedge, a globally distributed platform for stateful serverless apps. Here's how you make a simple static site: `echo '# Hello world!' | ssh kedge.dev` I helped build Fly.io for 4 years and shared enthusiasm for the founders' vision of a 'global Heroku'. While there, I wrote "The Serverless Server" (https://fly.io/blog/the-serverless-server/) as a study of Lambda and a sketch of a modern serverless product built around lightweight VMs. That essay was the initial inspiration for Kedge. Kedge has a fast VM orchestrator that can create code sandboxes or…
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Source: Show HN post ↗ · launch text quoted in part
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