Web app to fetch exchange rates and convert currency.

Built using the Cuba framework which is based on Rack.

Use the gem install command to install the following dependencies:

gem install cuba
gem install tilt
gem install rack-test
gem install rackup
gem install rerun # optional - to watch file changes and rerun app automatically during development.

Run the following command at the root of the app directory.
This will start a server on localhost port 9292.
Open the URL in a web browser http://localhost:9292/.

rackup

Or

rerun rackup # watches for file changes and re-runs app 

ruby test\AppTest.rb
ruby test\ExchangeRateServiceTest.rb