Docker & DevOps Essentials - Study
Guide
Containers, images, Compose, CI/CD pipelines and Kubernetes concepts -
hands-on notes
Complete Study Guide | Key Concepts | Examples | Practice Questions
, 1. DevOps Thinking
DevOps merges development and operations: automate everything, ship small, measure, and learn fast. Culture
and tooling together.
- CALMS: Culture, Automation, Lean, Measurement, Sharing.
- Shift left: test and secure earlier in the pipeline, not at the end.
- Everything as code: infrastructure, config, pipelines - versioned in Git.
- DORA metrics: deployment frequency, lead time, change failure rate, recovery time.
Page 1
Guide
Containers, images, Compose, CI/CD pipelines and Kubernetes concepts -
hands-on notes
Complete Study Guide | Key Concepts | Examples | Practice Questions
, 1. DevOps Thinking
DevOps merges development and operations: automate everything, ship small, measure, and learn fast. Culture
and tooling together.
- CALMS: Culture, Automation, Lean, Measurement, Sharing.
- Shift left: test and secure earlier in the pipeline, not at the end.
- Everything as code: infrastructure, config, pipelines - versioned in Git.
- DORA metrics: deployment frequency, lead time, change failure rate, recovery time.
Page 1