Update vars/deployToK3s.groovy

vars/deployToK3s.groovy

@@ -6,6 +6,7 @@ def call(Map config = [:]) {
     def image     = config.image     ?: error('deployToK3s: "image" is required')
     def replicas  = config.replicas  ?: 1
     def namespace = config.namespace ?: 'default'
+    container('kubectl') {
         stage("Deploy ${name}") {
             writeFile file: 'deploy.yaml', text: """
 apiVersion: apps/v1
@@ -31,3 +32,4 @@ spec:
             sh "kubectl rollout status deployment/${name} -n ${namespace} --timeout=90s"
         }
     }
+}