Tiny URL

It uses nanoid to generate a random string of 13 characters and stores it in a database. The URL is then served at http://localhost:3000/<random-string>.

With speed 100 IDs/second ~25 years needed, in order to have a 1% probability of at least one collision. https://zelark.github.io/nano-id-cc/

It uses MongoDB to allow for easy scaling.

Requirements

• Ruby 3.1.2
• Docker

Installation

• bundle install
• Copy .env.example to .env and fill in the values

Usage

• docker-compose up in order to start the database
• ./bin/dev to start the server
• Open http://localhost:3000 in your browser and enter a URL

API Endpoints

• POST /tiny_urls.json with a JSON body of {"url": "https://example.com"} to create a new URL Example:

curl -X POST -H "Content-Type: application/json" -d '{"url": "https://example.com"}' http://localhost:3000/tiny_urls.json

Expected response:

{
  "_id": {"$oid":"6406400a9f880b2ecabd666f"},
  "full_url":"https://example.com",
  "short_url":"http://localhost:3000/MXEn_n1Ed-yUo"
}

• GET /tiny_urls/:id.json to get the URL for the given ID Example:

curl http://localhost:3000/tiny_urls/6406400a9f880b2ecabd666f.json

Expected response:

{
  "full_url":"https://example.com",
  "short_url":"http://localhost:3000/MXEn_n1Ed-yUo"
}