Update vars/deployToK3s.groovy

vars/deployToK3s.groovy

@@ -2,12 +2,13 @@
 // Deploy a Deployment to k3s.
 // Usage: deployToK3s(name: 'demo', image: 'nginx', replicas: 2)
 def call(Map config = [:]) {
-    def name = config.name ?: error('deployToK3s: "name" is required')
-    def image = config.image ?: error('deployToK3s: "image" is required')
-    def replicas = config.replicas ?: 1
+    def name      = config.name      ?: error('deployToK3s: "name" is required')
+    def image     = config.image     ?: error('deployToK3s: "image" is required')
+    def replicas  = config.replicas  ?: 1
     def namespace = config.namespace ?: 'default'
-    stage("Deploy ${name}") {
-        writeFile file: 'deploy.yaml', text: """
+    container('kubectl') {
+        stage("Deploy ${name}") {
+            writeFile file: 'deploy.yaml', text: """
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -27,7 +28,8 @@ spec:
         - name: ${name}
           image: ${image}
 """
-        sh 'kubectl apply -f deploy.yaml'
-        sh "kubectl rollout status deployment/${name} -n ${namespace} --timeout=90s"
+            sh 'kubectl apply -f deploy.yaml'
+            sh "kubectl rollout status deployment/${name} -n ${namespace} --timeout=90s"
+        }
     }
 }