I built a Docker image on my local machine and tried to deploy it using Kubernetes, but I keep getting the error ErrImageNeverPull. How can I fix this?

Kubernetes
#1 
apiVersion: apps/v1
kind: Deployment
metadata:
  name: simple-app
  labels:
    app: backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: backend-app
  template:
    metadata:
      name: simple-backend-app
      labels:
          app: backend-app
    spec:
      containers:
        - name: simple-backend-app
          image: sample_app
          imagePullPolicy: Never
          ports:
            - containerPort: 5000
          env:
            - name: url
              value: <db_url>
            - name: db_name
              value: <db_name>
          resources:
            requests:
              memory: "128Mi"
              cpu: "250m"
            limits:
              memory: "256Mi"
              cpu: "500m"
      restartPolicy: Always
#2

If you do crictl image | grep sample_app, do you see that the image is in fact available to Kubernetes? That’s the first thing to try. What do you see?

#3

How did you set up your Kubernetes cluster locally? If you’re using Minikube, your local Docker image isn’t automatically available inside the cluster. You need to run the command minikube image load to make it accessible.

However, I recommend pushing your image to Docker Hub using your personal account. Then, configure Kubernetes to pull the image using a secret with your Docker credentials. This is the standard approach we use in real-world Kubernetes deployments.

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#4

Thanks, @raymond.baoly. I’ve tried both pushing the image to Docker Hub and pulling it locally. It seems that with Minikube, I need to build the image directly within the Minikube environment, otherwise, it won’t pull the image successfully.

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