code snippet trimmed to just bare minimum

Author: mramanathan

declarative-examples/simple-examples/dockercontainerPort.groovy

@@ -1,14 +1,11 @@
 pipeline {
-    agent any
-
-    options {
-        timestamps()
-    }
 
     environment {
         IMAGE = "custom-tutum"
     }
 
+    agent 'node-where-docker-commands-can-be-run'
+
     stages {
         stage('build') {
             steps {
@@ -42,9 +39,4 @@ pipeline {
             }
         }
     }
-    post {
-        always {
-            cleanWs()
-        }
-    }
 }