Server configurations are created using the Servers view. Full documentation for creating and managing servers is found by clicking on Web Application Development Guide in help. To create a server:
Click on the Servers tab. If it is not visible, you can either switch to Workshop perspective (Window > Open Perspective > Workshop) or open the Servers view (Window > Show View > Other then expand Server and choose Servers).
Right click on the blank area of the Servers tab. Choose New > Server.
A list of supported server types is displayed. Documentation on setting up servers is provided in the Web Application Development Guide, also provided as part of this help system.