ImagePullBackOff or ErrImagePull on kubectl running, diagnose.

kubia-relica.yaml

apiVersion: v1
kind: ReplicationController
metadata:
  name: kubia1
spec:
  replicas: 1
  selector:
    app: kubia1
  template:
    metadata:
      labels:
        app: kubia1
    spec:
      containers:
      - name: kubia
        # image:  /pluckhuang/kubia:0.0.1 // error here
        image: docker.io/pluckhuang/kubia:0.0.1
        ports:
        - containerPort: 8080
          protocol: TCP
      imagePullSecrets:    # and add this
      - name: dockerhub-secret