Publishing Grails 3 applications to Nexus Repository OSS using Gradle

To publish a Grails 3 application to Nexus Repository OSS you just need to make a few tweaks to the build.gradle file.  Just add the Gradle maven-publish plugin and a publishing closure to the build.gradle file and you are ready to push to your private Nexus Repository OSS server.

Above, the NEXUS_USERNAME and NEXUS_PASSWORD are parameters that you store in gradle.properties and can overwrite with command line parameters, such as