xlk3099/urlshortener

urlhortener

A simple url shortening service written in Go, it encodes an input long url to a shortened url by base62 encoding its request_id.

• If request_id is in 0 ~ 61, the shortened url would be 1 char
• If request_id is in 62 ~ 3843, the shortened url would be 2 chars
• If request_id is in 3844 ~ 238327, the shortened url 3 chars
• If request_id is in 238328 ~ 14776335, the shortened url 4 chars
• If request_id is in 14776336 ~ 916132831, shortened url would be 5 chars
• ...

TechStack:

• Http server using Gin framework
• MongoDB to store orignal & shortened url data
• Dockerfile & docker_compose.yml to help easy deploy

Installation:

To build the docker image

$ docker-compose build

To start

$ docker-compose up

The application is running on port 8080, default port of Gin

Example to post a shorten an existing long url request:

$ curl -sX POST -H 'Content-Type: application/json' 'localhost:8080/shorten' -d '{"url":"http://a.very.long.url"}'

Response:

HTTP 200
'{"short":"http://localhost/a"}'

Example to get original url:

$ curl -sX GET -H 'Content-Type: application/json' 'localhost:8080/original' -d '{"short":"http://localhost/a"}'

Response

HTTP 200
'{"original":"http://a.very.long.url"}'