• MongoDB
• Installation guide: https://docs.mongodb.com/manual/administration/install-community/
• NodeJs
• Installation guide: https://nodejs.org/en/download/package-manager/
$ mongod
$ mongo
$ cd api_whistle/whistle
$ npm install
$ echo "export SENDGRID_API_KEY='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'" > sendgrid.env
$ source ./sendgrid.env
$ npm install --save sendgrid
$ npm install --save @sendgrid/mail
$ sudo mkdir /var/www/storage
$ node .
$ Load url on web browser to access explorer