SharePoint on Azure
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/
SharePoint 2013 Disaster Recovery in Microsoft Azure
https://technet.microsoft.com/en-us/library/dn635313(v=office.15).aspx