From Docker To Kubernetes: A Developer's Guide To Containers
summary
Shows how a simple Docker guestbook is built and deployed: Docker images for PHP and Redis compose into a guestbook app run first on a container‑optimized VM (kubelet + containers.yaml), then scaled to a three‑node Kubernetes cluster on Google Container Engine. Uses replication controllers, pods (multiple containers per pod), services and a GCE load balancer with a forwarding IP. Commands shown with gcloud compute and gcloud preview container; demo assembles redis master + workers and three PHP pods and successfully serves the guestbook despite flaky Wi‑Fi.
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chapters (27)
- 0:00Introduction
- 0:50Containers Everywhere
- 3:35Why Docker
- 5:35Why Containers
- 7:30Containers vs Virtual Machines
- 11:08Managing Containers
- 13:24Imperative vs Scheduler
- 19:04Container synergy
- 20:07Scheduling
- 22:20What is Kubernetes
- 23:24Multicloud solution
- 24:04Pods
- 26:21Examples
- 27:13Volumes
- 28:53Labels
- 30:23Replication Controller
- 32:17Services
- 33:10Google Container Engine
- 35:26Cloud Console
- 35:51Nodes
- 36:41Visualization
- 38:30Radius Master
- 39:15Redis Service
- 40:29Redis Role Worker
- 41:05Redis Worker Service
- 45:58PHP Ready
- 46:53Cloud Platform
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