23-Image-Security

Image Security

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In this section we will take a look at image security

Image

apiVersion: v1
kind: Pod
metadata:
  name: nginx-pod
spec:
  containers:
  - name: nginx
    image: nginx

Private Registry

• To login to the registry

  $ docker login private-registry.io
  

• Run the application using the image available at the private registry

  $ docker run private-registry.io/apps/internal-app
  

  

• To pass the credentials to the docker untaged on the worker node for that we first create a secret object with credentials in it.

  $ kubectl create secret docker-registry regcred \
    --docker-server=private-registry.io \ 
    --docker-username=registry-user \
    --docker-password=registry-password \
    --docker-email=registry-user@org.com
  

• We then specify the secret inside our pod definition file under the imagePullSecret section

  apiVersion: v1
  kind: Pod
  metadata:
    name: nginx-pod
  spec:
    containers:
    - name: nginx
      image: private-registry.io/apps/internal-app
    imagePullSecrets:
    - name: regcred
  

  

  K8s Reference Docs

  • https://kubernetes.io/docs/concepts/containers/images/