websocket

Elm Erlang Websocket

Setup

$ rebar3 new app websocket

Elm

$ cd websocket
$ mkdir priv
$ cd priv
$ elm init
$ elm install elm/json

Create index.html

Create src/Main.elm

$ mkdir static
$ elm make src/Main.elm --optimize --output=static/main.js

Erlang

Modify rebar.config

Modify websocket.app.src

Modify websocket_app.erl

Modify websocket_sup.erl

Create ws_h.erl

$ cd ..
$ rebar3 shell

Test

http://localhost:8080

Learn more

• Elm Ports
• Cowboy Websocket example