1) Install the Windows Azure Plugin for Eclipse with Java.
2) Setup your account.
3) Click on the “New Windows Azure Deployment Project” button in the Windows Azure Toolbar to create a deployment project.
4) Rename the
<Worker Role Instance ID>/approot/<Tomcat Install Dir>/webapps/ROOT folder to
5) Click on the “Publish to Windows Azure Cloud” button in the toolbar.
You can find more information here.
A sample is available here.