A wonderfully simple url shortener written in Go. Converts base10 -> base62 for the shortening algorithm (https://github.com/arrwhidev/base-converter).
Uses a simple map as the database, keeping it simple.
➜ curl -d '{"url":"http://google.co.uk"}' -H "Content-Type:application/json" localhost:8080
// returns {"url":"http://localhost:8080/4z"}
➜ curl localhost:8080/4z
// returns redirect to http://google.co.uk