Postgres WASM

A PostgreSQL server instance running in a virtual machine running in the browser
by Supabase & Snaplet

Demo • Discord • Snaplet • Supabase

The future is now

Since we worked on this project, awesome and more usable solutions exist:

PGlite by ElectricSQL which is a native WASM build of Postgres
pgmock by Stackframe which is using the same approach as this project, emulating the Postgres server in an x86 emulator

While postgres-wasm was more of a proof of concept, both the above solutions can be used to run PostgreSQL in the browser or getting in-memory PostgreSQL databases!

Quickstart

cd packages/runtime && npx serve

Go to http://localhost:3000 and have fun!

Packages

This repo is split into three packages that build up the environment for running PostgreSQL in the browser.

runtime: The v86 emulator that starts the buildroot image
Buildroot: Scripts to build the CPU and memory snapshot run by v86.
Websockproxy: Networking

Acknowledgements

v86 which is the emulator for running x86 operating systems in the browser, without it none of the following projects would be possible
crunchydata playground for leading the way and showing the world that it was possible to run PostgreSQL in the browser
browser-shell which was already way ahead of its time, especially on the filesystem part
browser-linux for showing us how we can make the pieces fit together
Websockets Proxy the ingenious workaround that opened up the world for v86 emulators everywhere

License

snaplet/postgres-wasm

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