Essentially, this needs to represent a connection string to the storage account. You can easily find the correct value for this in the Azure portal, under Access keys:
We could simply copy this and paste it directly into the code by assigning the _connectionString variable to it. However, instead, we're going to use ConfigurationBuilder. Before we can make a start on this, we'll need some NuGet packages:
Install-Package Microsoft.Extensions.Configuration -ProjectName PhotoStorage.WindowsServiceInstall-Package Microsoft.Extensions.Configuration.Json -ProjectName PhotoStorage.WindowsService
This ...
