You need to install npm (you can do this by installing Node.js). Once that is done, run npm install in this directory to install all the requirements.
First, run node . to start the script.
This is where you will see the confirmation: http://localhost:3000/monthlyCheck
reminder: If you add any other dependencies, please do it by running npm install --save so it is added to package.json for the next person to install. Otherwise, add the package manually to package.json
fact of the day: Use ctrl+c to exit the "node ." triggered example app