CORS Proxy with Websockets and SSL

Generate certificates

MKCert

mkcert -install # Set CA to trusted store
cd certs
mkcert localhost 127.0.0.1 ::1

Set env vars

cp .envrc.example .envrc
source .envrc # you could also use direnv

Start proxy

docker compose up

You can now point your frontend to https://localhost:8443/.

Chrome/Chromium launch option

You'll need to set --disable-web-security flag when launching your Chrome/Chromium browser

Known limitations

TUS

This proxy is not compatible with TUS protocol since OPTIONS responses are hardcoded within the proxy.

Possible improvments

See https://github.com/justsml/ssl-proxy