use docker agent with maven 3.3

Jenkinsfile

@@ -1,5 +1,10 @@
 pipeline {
-    agent any
+    agent
+        docker {
+            image 'maven:3-alpine'
+            label 'my-defined-label'
+            args  '-v /tmp:/tmp'
+        }
     tools {
         maven 'Maven'
     }