Create and increment multiple counters with express, coffeescript and redis

redis-counters.coffee

#1. install node, npm and coffeescript
#2. >npm install express
#3. >npm install node_redis
#4. >npm install -d

redis = require('redis').createClient()
redis.on 'error', (err) -> console.log "Redis connection error to #{redis.host} : #{redis.port} - #{err}"
app = require('express').createServer()

#create and increment multiple counters in redis, via: http://localhost:3000/counters/my-counter
app.get '/counters/:id', (request, response) ->
	id = request.params.id
	redis.incr id, (err, val) ->
		response.send "#{id}: #{val}", 'Content-Type': 'text/plain', 201

app.listen 3000
console.log "Express server listening on port #{app.address().port}"