[kubernetes-users] Is there a way to update the Services selector label?

[Norman Khine]

Hello, I have the following pod, which has 3 containers:

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: app-feature
  labels:
    pod: app
    track: feature
spec:
  replicas: 3
  template:
    metadata:
      labels:
        pod: app
        track: feature
    spec:
      containers:
        - name: app-api
          image: quay.io/.../api:feature_swagger
          imagePullPolicy: Always
          ports:
            - containerPort: 3000
        - name: app-media
          image: quay.io/.../media:feature_kube
          imagePullPolicy: Always
          ports:
            - containerPort: 4000
        - name: phantom
          image: docker.io/wernight/phantomjs:2.1.1
          command: ["phantomjs", "--webdriver=8910", "--web-security=no", 
"--load-images=false", "--local-to-remote-url-access=yes"]
          ports:
            - containerPort: 8910
          resources:
            requests:
              memory: 1000
      restartPolicy: Always
      imagePullSecrets:
        # we download these from quay.io account
        - name: pull-secret



This is the service file i have:

apiVersion: v1
kind: Service
metadata:
  name: media-dev
  annotations:
    service.beta.kubernetes.io/aws-load-balancer-ssl-cert: 
arn:aws:acm:us-east-1:XXX:certificate/XXX
    service.beta.kubernetes.io/aws-load-balancer-backend-protocol: http
    service.beta.kubernetes.io/aws-load-balancer-ssl-ports: https
spec:
  type: LoadBalancer
  selector:
    pod: app
    track: develop
  ports:
  - name: http
    port: 80
    targetPort: 4000
  - name: https
    port: 443
    targetPort: 4000

How do I change the selector for this loadBalancer to track `feature` 
instead of `develop` - is it possible to modify for an existing Service 
without having to create a new service?

Any advise is much appreciated

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