I created an image and pushed to dockerHub, from an angular project. I can see that if I will go to localhost:80 it will open the portal. This are the steps:

ng build
docker build -t tiberiu1234/template:v1 .
docker run -rm -d -p 80:80 tiberiu1234/template:v1

Now I tried to do the same thing but in kubernetes. I created deployment and service and trigger it using the same image:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: portal-deployment
  labels:
    app: portal
spec:
  replicas: 3
  selector:
    matchLabels:
      app: portal
  template:
    metadata:
      labels:
        app: portal
    spec:
      containers:
      - name: portal
        image: tiberiu1234/portal:v1
        ports:
        - containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
  name: portal-service
spec:
  selector:
    app: portal
  ports:
    - protocol: TCP
      port: 80
      targetPort: 80

Now If I will go and check I will see:

portal-deployment                        0/3     3            0           4m1s
portal-service                                     ClusterIP      10.2.0.114   <none>         80/TCP                       3m56s

portal-deployment-67c6d9bb6c-88cvn                        0/1     ImagePullBackOff   0          23m
portal-deployment-67c6d9bb6c-jrmjz                        0/1     ImagePullBackOff   0          23m
portal-deployment-67c6d9bb6c-wm65h                        0/1     ImagePullBackOff   0          23m

Error is: kubectl logs -f portal-deployment-67c6d9bb6c-88cvn Error from server (BadRequest): container "portal" in pod "portal-deployment-67c6d9bb6c-88cvn" is waiting to start: trying and failing to pull image and I don't understand why, can you help me with this?