public JavaContainerBuilder addJvmFlag(String jvmFlag) {
    jvmFlags.add(jvmFlag);
    return this;
  }
Adds a JVM flag to use when starting the application.

@param jvmFlag the JVM flag to add
@return this
jib-core/src/main/java/com/google/cloud/tools/jib/api/JavaContainerBuilder.java