Added additional deps and vnc support to the build

Author: wes-johnson

DOCKER_BUILD/Dockerfile

@@ -17,7 +17,8 @@ RUN dnf install -y java-11-openjdk-devel \
     ruby-devel \
     rubygems \
     asciidoc \
-    xmlto
+    xmlto \
+    nano
 
 RUN wget https://services.gradle.org/distributions/gradle-7.6-bin.zip -P /tmp
 RUN mkdir /opt/gradle

Jenkinsfile

@@ -26,7 +26,9 @@ spec:
     stage('Build') {
       steps {
         container('sparkplug-build') {
-          sh './gradlew clean build'
+          wrap([$class: 'Xvnc', takeScreenshot: false, useXauthority: true]) {
+            sh './gradlew clean build'
+          }
         }
       }
     }

gradlew

@@ -86,7 +86,7 @@ APP_NAME="Gradle"
 APP_BASE_NAME=${0##*/}
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx1536m" "-Xms64m" "-Dfile.encoding=UTF-8"'
+DEFAULT_JVM_OPTS='"-Xmx1536m" "-Xms64m" "-Dfile.encoding=UTF-8" "-Djava.awt.headless=true"'
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum