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Show HN: Faasta – A self-hosted Serverless platform for WASM-wasi-HTTP in Rust

Published on: 2025-08-09 11:31:05

Faasta: a Faster FaaS Platform Faasta is a cutting-edge Function-as-a-Service (FaaS) platform designed for exceptional speed and efficiency. With cold start times under 1ms and a memory overhead of less than 1KB, Faasta delivers unparalleled performance through its modern WebAssembly architecture. Key Features Runs your code as WebAssembly modules using the WASI P2 standard using the WASI P2 standard Leverages WASIHTTP for high-performance HTTP request handling for high-performance HTTP request handling Provides secure isolation between functions through WebAssembly's sandboxed execution model between functions through WebAssembly's sandboxed execution model Achieves ultra-fast cold starts without the overhead of traditional containerization without the overhead of traditional containerization Self-hostable with simple setup - run your own Faasta instance anywhere with simple setup - run your own Faasta instance anywhere Standards-compliant with WASI P2 and WASIHTTP, making you ... Read full article.