apiVersion: apps/v1
kind: Deployment
metadata:
  name: ecommerce-app
  namespace: ecommerce
spec:
  replicas: 1
  template:
    spec:
      initContainers:
        - name: run-migrations
          imagePullPolicy: Always
          # imagePullSecrets are set at pod level below
      containers:
        - name: ecommerce-app
          imagePullPolicy: Always
      imagePullSecrets:
        - name: harbor-registry-secret   # kubectl create secret docker-registry harbor-registry-secret ...

# apiVersion: apps/v1
# kind: Deployment
# metadata:
#   name: ecommerce-app
#   namespace: ecommerce
# spec:
#   template:
#     spec:
#       initContainers:
#         - name: run-migrations
#           imagePullPolicy: Never
#       containers:
#         - name: ecommerce-app
#           imagePullPolicy: Never