another attempt using libraries

build-rcon.jenkins

@@ -1,15 +1,12 @@
 #!groovy
 
-GroovyShell shell = new GroovyShell()
+def label = podLabel()
-def pt = shell.parse(new File('vars/podTemplates.groovy'))
-
-def label = pt.podLabel()
 def repositoryCreds = "harbor-repository-creds"
 
 podTemplate(
     label: label,
     name: "pipeline-worker",
-    yaml: pt.podYaml(
+    yaml: podYaml(
         kaniko: true,
         alpine: true,
     ),