Supabase open sources edge functions server

Apr 11, 2023

Supabase Edge Runtime is a web server written in Rust that uses a custom Deno runtime. It can serve TypeScript, JavaScript, and WASM functions. All your existing Edge Functions run on Edge Runtime without changing a single line of code.

...Self-hosting is not the only benefit of Edge Runtime. It will improve the local development experience of Edge Functions.

Supabase CLI can now serve all local Edge Functions by running supabase functions serve. Previously, you could only serve a single Edge Function at a time. This was not a great experience for local development. Some of you even devised clever hacks to get around this limitation.

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