Intial Setup

docker-compose build
docker-compose up mariadb
# Once mariadb says it's ready for connections, you can use ctrl + c to stop it
docker-compose run short-app rails db:migrate
docker-compose -f docker-compose-test.yml build

To run migrations

docker-compose run short-app rails db:migrate
docker-compose -f docker-compose-test.yml run short-app-rspec rails db:test:prepare

To run the specs

docker-compose -f docker-compose-test.yml run short-app-rspec

Run the web server

docker-compose up

Adding a URL

curl -X POST -d "full_url=https://google.com" http://localhost:3000/short_urls.json

Getting the top 100

curl localhost:3000

Checking your short URL redirect

curl -I localhost:3000/abc

Features a bitjective function to convert ID to a ShortUrl

Bitjective functions are a type of function that work in both directions.
i.e. f(a) = 1 & f(1) = a

An in-depth explanation of how exactly bitjective functions operate may be found here: https://stackoverflow.com/questions/742013/how-do-i-create-a-url-shortener/742047#742047