1# Copyright 2021 The Kubernetes Authors. 2# SPDX-License-Identifier: Apache-2.0 3 4apiVersion: v1 5kind: ReplicationController 6metadata: 7 name: hello 8spec: 9 selector: 10 app: hello 11 template: 12 metadata: 13 name: hello 14 labels: 15 app: hello 16 spec: 17 containers: 18 - name: hello 19 image: nginx 20 env: 21 - name: EXISTING 22 value: variable