Lab 1 - Pod Creation¶

15 min Beginner

Problem¶

Write a Pod manifest in a file named yoda-service-pod.yaml, then create the Pod in the cluster to prove it works.

The Pod must meet these requirements:

The Pod is named yoda-service and has the label app: yoda.
It runs in a project (namespace) named web.
It uses the quay.io/nginx/nginx-unprivileged:1.29 container image.
The container exposes containerPort 8080.
The container's command is nginx, with the arguments -g and daemon off;, so nginx runs in the foreground.

Why port 8080 and not 80?

OpenShift runs containers as a random, non-root user, and non-root processes can't bind to ports below 1024. OpenShift-friendly images, such as nginx-unprivileged or Red Hat's UBI images, listen on a high port such as 8080 instead.

Setup¶

oc new-project web

Verification¶

The Pod should reach the Running state with 1/1 containers ready:

oc get pods -n web
oc describe pod yoda-service -n web

Forward a local port to the Pod and request the nginx welcome page. Run oc port-forward in one terminal and curl in another:

oc port-forward pod/yoda-service 8080:8080 -n web

curl -s localhost:8080 | grep "<title>"

Cleanup¶

oc delete project web