Linux Foundation Exam CKS Topic 1 Question 38 Discussion

Analyze and edit the given Dockerfile

FROM ubuntu:latest

RUN apt-get update -y

RUN apt-install nginx -y

COPY entrypoint.sh /

ENTRYPOINT ["/entrypoint.sh"]

USER ROOT

Fixing two instructions present in the file being prominent security best practice issues

Analyze and edit the deployment manifest file

apiVersion: v1

kind: Pod

metadata:

name: security-context-demo-2

spec:

securityContext:

runAsUser: 1000

containers:

- name: sec-ctx-demo-2

image: gcr.io/google-samples/node-hello:1.0

securityContext:

runAsUser: 0

privileged: True

allowPrivilegeEscalation: false

Fixing two fields present in the file being prominent security best practice issues

Don't add or remove configuration settings; only modify the existing configuration settings

Whenever you need an unprivileged user for any of the tasks, use user test-user with the user id 5487