You can make a Liberty feature available as web applications by including one or more web application bundles (WABs) in the feature. A WAB is an OSGi bundle with a Web-ContextPath manifest header.
Subsystem-Content:
my.user.feature.bundle; version="[1,1.0.100)",
com.ibm.wsspi.appserver.webBundle-1.0; type="osgi.subsystem.feature"