use kubectl, fix 3

.woodpecker.yml

@@ -10,6 +10,8 @@ steps:
       password: 
         from_secret: system_container_registry_password
       dockerfile: Dockerfile
+    when:
+      - event: [push, tag]
 
   deploy:
     image: portainer/kubectl-shell:latest
@@ -17,8 +19,8 @@ steps:
       - source: kube_config
         target: KUBE_CONFIG_CONTENT
     commands:
-      - printf "$KUBE_CONFIG_CONTENT" > ~/kubeconfig
+      - printf "$KUBE_CONFIG_CONTENT" > /tmp/kubeconfig
-      - KUBECONFIG=~/kubeconfig
+      - KUBECONFIG=/tmp/kubeconfig
       - kubectl get nodes
     when:
       - event: tag