From Docker To Kubernetes: A Developer's Guide To Containers
summary
Shows how Docker images run on Kubernetes and Google Container Engine by building a simple guestbook app with PHP frontends and Redis backends, creating a 3–4 node cluster, declaring services and a redis master plus worker pods, then using a replication controller to keep desired replica counts and resize from 1 to 3. Demonstrates service VIPs/DNS, external load‑balancer exposure, rolling update capability mentioned, and the demo mostly succeeds despite a few timing hiccups during setup.
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chapters (19)
- 0:00Intro
- 1:17Agenda
- 2:38Containers
- 5:32Linux Kernel
- 6:34Why Should Developers Care
- 8:34The Virtual Machine
- 13:18Containers at Google
- 14:40Cluster Management Stack
- 18:50What is Docker
- 20:57Orchestration vs Scheduling
- 25:45Key Concepts
- 26:44Kubernetes Cluster
- 26:59Pods
- 28:21Labels
- 29:05Replication controllers
- 29:43Replication controller example
- 31:33Services
- 33:32Kubernetes Status
- 43:28Wrap Up
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