DevOps for The Lazy
summary
Builds a minimal Rails scaffold, swaps sqlite for Postgres, writes a three-line Dockerfile and a three-line init script, and shows that with about twenty lines of changes an image builds fast (Docker cache) and the app runs in containers. Spins up a Postgres container, a web container, then a Kubernetes cluster on three VMs and scales the web replication controller to five replicas. Notes missing pieces: no persistent disk, no production security, and some hand‑waved ops.
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chapters (30)
- 0:00Start
- 1:31Lazy
- 1:50Sharing Hardware
- 2:02Environment Package
- 3:35Application
- 4:13Gemfile
- 4:58Dockerfile
- 6:30Build It
- 10:46Consistency
- 11:32Speed
- 12:05Flexibility
- 12:35Portability
- 13:04Repeatability
- 14:53Deployment
- 15:05Managing Containers
- 15:41Open Source
- 15:54Vocab
- 16:05Master
- 16:54Service
- 18:01Options
- 20:14Replication Controller
- 21:17Google Container Engine
- 23:54Hand Waves
- 24:14Disk
- 24:37Security
- 25:01linux
- 26:23Shipping Ruby Apps with Docker Bryan Helmkamp @ RedDotRuby
- 27:50Stack Overflow
- 28:05Google Cloud Platform
- 29:47Questions?
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