This post presents excellent, entry-level descriptions of k8s entities like Pods, ReplicaSets, Deployments, and Services. The post then details blue/green and canary deployments with simple `kubectl` commands.
This publicly available book by Basecamp addresses the process of shipping your work. The book provides a pragmatic plan to obtain a shipping cadence. I've worked on (too!) many projects that would have benefitted from a six-week limit.