snippet from web.config

  <appSettings>
    <add key="webpages:Version" value="3.0.0.0" />
    <add key="webpages:Enabled" value="false" />
    <add key="documentDb:Endpoint" value="https://{url}.documents.azure.com:443/"/>
    <add key="documentDb:PrimaryKey" value={primarykey}
    <add key="documentDb:SecondaryKey" value="{secondarykey}
    <add key="documentDb:DatabaseName" value="invoicedatabase" />
    <add key="documentDb:DocumentCollectionName" value="invoicesdocumentcollection" />

  </appSettings>