supabase/web/docs/realtime/source.md

id, title, description

id	title	description
source	Building from Source	Host your own Realtime server

Make sure you have Elixir installed.

Make sure you are in the right directory:

cd server

Install dependencies:

mix local.hex --force
mix local.rebar --force
mix deps.get

Create the release:

MIX_ENV=prod mix release

Start the release (set the environment variables as appropriate):

SECRET_KEY_BASE=SOMETHING_SECRET \
PORT=4000 \
HOSTNAME=localhost \
DB_USER=postgres \
DB_HOST=localhost \
DB_PASSWORD=postgres \
DB_NAME=postgres \
DB_PORT=5432 \
_build/prod/rel/realtime/bin/realtime start