Config

Config Maps, SecurityContexts, Resource Requirements, Secrets, Service Accounts, and more.

Multi-Container Pods

There are patterns:

• ambassador
• adapter
• sidecar

Observability

• readiness probes
• liveness proves
• container logging
• monitoring
• debugging
• startupProbe
  • this one is JUST to protect against containers that have a slow startup, where the liveness + readiness might timeout and trow an error

Pod Design

• labels
• selectors
• annotations
• rolling deployment deets
• jobs & cronJobs

Services

• in depth
• network policies

Persistent Volumes

• volumes
• persistent volume claims

Imperative and Declarative Syntax

K8s docs cover, in more depth, Imperative Management and Declarative Management styles.
In summary -

• Imperative is sort of like "do what I say"
• Declarative is sort of like "do what I say... but look to a declaration explanation for what to do"...

Declarative & Imperative topics span software engineering, and K8s joins the fun!