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Firecracker MicroVM - Secure & Fast Serverless Computing
Official repository for Firecracker, a virtual machine monitor (VMM) built for running serverless functions and containers safely and efficiently. It focuses on security, speed, and resource efficiency.
Rust
Added on 2025年6月19日28,218
Stars1,958
ForksRust
LanguageProject Introduction
Summary
Firecracker is an open-source VMM specifically designed for creating and managing lightweight micro Virtual Machines (microVMs). It is optimized for serverless computing and container orchestration, offering exceptional speed, security, and resource efficiency.
Problem Solved
Traditional virtual machines are often too heavy and slow for ephemeral serverless workloads, while containers lack the strong isolation needed for multi-tenant environments. Firecracker provides a balance, offering VM-level security with near-container speed and efficiency.
Core Features
Fast Boot and Low Overhead
Firecracker microVMs boot in as little as 125 ms and have a minimal memory footprint, ideal for transient workloads like serverless functions.
Enhanced Security Isolation
Leverages KVM to provide strong security boundaries between guests, isolating workloads from each other and from the host.
Minimal Attack Surface
The API and minimal device model significantly reduce the attack surface compared to traditional VMs, enhancing security.
Tech Stack
Rust
Linux/KVM
Go (for tooling)
使用场景
Firecracker is the foundation for various high-scale cloud services and can be used in diverse environments requiring secure, lightweight virtualization.
场景一：Serverless Compute Environments
Details
Used as the virtualization technology powering serverless function services like AWS Lambda, enabling secure multi-tenancy and rapid function execution.
User Value
Provides the necessary security isolation and performance characteristics for large-scale FaaS platforms.
场景二：Secure Container Hosting
Details
Integrates with container runtimes (like containerd/CRI-O via projects like Kata Containers) to run containers inside microVMs, offering enhanced security over traditional container isolation.
User Value
Adds an extra layer of security isolation for multi-tenant container workloads or sensitive applications.
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