Introduction


Microsoft Azure is an extraordinary technology and cloud that allows creation of complete environment and SharePoint can benefit out of the Azure platform to provide Private Cloud SharePoint farms to customer and development and testing labs
Collecting in this article several sources on how to host SharePoint on top of Azure

Microsoft Azure Architectures for SharePoint 2013

https://technet.microsoft.com/en-us/library/dn635309.aspx

Planning for SharePoint 2013 on Azure Infrastructure

This link answer several questions regarding monitoring, backup and recovery

https://msdn.microsoft.com/en-us/library/azure/dn275958.aspx

Deploying SharePoint 2013 with SQL Server Always On Availability Group in Azure

https://msdn.microsoft.com/en-us/library/azure/dn275959.aspx

a.     Phase 1: Configure Azure

https://msdn.microsoft.com/en-us/library/azure/dn275966.aspx

b.    Phase 2: Configure Domain Controllers

https://msdn.microsoft.com/en-us/library/azure/dn275963.aspx

c.     Phase 3: Configure SQL Server Infrastructure

https://msdn.microsoft.com/en-us/library/azure/dn275965.aspx

d.    Phase 4: Configure SharePoint Servers

https://msdn.microsoft.com/en-us/library/azure/dn275962.aspx

e.     Phase 5: Enable Always on Availability Group

https://msdn.microsoft.com/en-us/library/azure/dn275964.aspx

f.      Phase 5: Create an Availability Group

https://msdn.microsoft.com/en-us/library/azure/dn275957.aspx

g.     Create a Cross-Premises Virtual Network Using Configuration Tables

https://msdn.microsoft.com/en-us/library/azure/dn817810.aspx

     Using Microsoft Azure Active Directory for SharePoint 2013 Authentication

https://technet.microsoft.com/en-us/library/dn635311.aspx

Other resources for Building Environments

http://blogs.office.com/2014/08/22/sharepoint-2013-farm-microsoft-azure-just-clicks-away/

http://azure.microsoft.com/en-us/documentation/articles/virtual-machines-sharepoint-farm-azure-preview/

http://azure.microsoft.com/en-us/documentation/articles/virtual-machines-sharepoint-farm-config-azure-preview/

http://blogs.technet.com/b/keithmayer/archive/2013/01/07/step-by-step-build-a-free-sharepoint-2013-lab-in-the-cloud-with-windows-azure-31-days-of-servers-in-the-cloud-part-7-of-31.aspx

 SharePoint 2013 Disaster Recovery in Microsoft Azure

        https://technet.microsoft.com/en-us/library/dn635313(v=office.15).aspx

     Internet Sites in Microsoft Azure using SharePoint 2013 Server

        https://technet.microsoft.com/en-us/library/dn635307.aspx