adding container pipeline

Jenkinsfile

@@ -18,6 +18,15 @@ spec:
     - name: docker-sock
       hostPath:
         path: /var/run/docker.sock
+    - name: kubectl
+      image: bitnami/kubectl:latest
+      command:
+        - cat
+      tty: true
+  volumes:
+    - name: docker-sock
+      hostPath:
+        path: /var/run/docker.sock
 '''
         }
     }