Erlang for your Web backend and API

This is a little demo of Erlang/OTP, WebSocket with Cowboy and REST with Webmachine for A Day in the Functional Web.

It's certainly not an example of best practises or a showcase of the current best tools. It's only a demo of how some very common needs can be met with known good tools.

Building

Prod build with

make rel

Dev build with

make dev-rel

Start dev node with

rel/webdemo/bin/webdemo console

Recompile with

make

Playing

Browsers

http://127.0.0.1:8003/index.html

WebSocket

ws://http://127.0.0.1:8001

REST

$ curl -i http://127.0.0.1:8003/worker
HTTP/1.1 200 OK
Server: MochiWeb/1.1 WebMachine/1.10.5 (jokes are better explained)
Date: Thu, 24 Oct 2013 19:19:20 GMT
Content-Type: application/json
Content-Length: 2

[]

$ curl -i -XPOST -H"Content-Type: application/json" http://127.0.0.1:8003/worker
HTTP/1.1 201 Created
Server: MochiWeb/1.1 WebMachine/1.10.5 (jokes are better explained)
Location: http://127.0.0.1:8003/worker/42b5feff-e56c-4b2b-a25f-d94cb7f3f08f
Date: Thu, 24 Oct 2013 19:19:56 GMT
Content-Type: application/json
Content-Length: 0

$ curl -i http://127.0.0.1:8003/worker
HTTP/1.1 200 OK
Server: MochiWeb/1.1 WebMachine/1.10.5 (jokes are better explained)
Date: Thu, 24 Oct 2013 19:21:43 GMT
Content-Type: application/json
Content-Length: 40

["14c548c6-64e7-4bb7-8d16-3d939b8ac3eb"]

$ curl -i -XDELETE http://127.0.0.1:8003/worker/14c548c6-64e7-4bb7-8d16-3d939b8ac3eb
HTTP/1.1 204 No Content
Server: MochiWeb/1.1 WebMachine/1.10.5 (jokes are better explained)
Date: Thu, 24 Oct 2013 19:24:22 GMT
Content-Type: text/html
Content-Length: 0