Especially if you work with ARM templates for the definition of the deployed Azure components, either Visual Studio Code or Visual Studio 2017+ (Community edition sufficient) is recommended as it provides syntax and validation support.
As a GARAIO employee you see the reference deployment in the Resource Group gro-dcs-ref
in the Azure Portal. You only have read-rights there so everyone has a stable basis to work with. Additionally you can access and use the demo-application available with this URL: https://grodcssaref.z6.web.core.windows.net
(only working during the DevCamp and without guarantee).