DevOps & CI/CD · Module 01

DevOps Overview & CI/CD Pipeline

DevOps is a culture and set of practices that removes the Dev–Ops wall; the 8-stage lifecycle, CI vs Continuous Delivery vs Continuous Deployment, measuring with DORA metrics and a transformation roadmap.

Practice interactively →

What you will learn

• Explain what DevOps is and why it is a culture, not a job title
• Describe the 8 stages of the DevOps lifecycle and typical tools
• Tell Continuous Integration, Continuous Delivery and Continuous Deployment apart
• Measure delivery performance with DORA metrics
• Recognize challenges and maturity levels and plan a DevOps adoption roadmap

Lessons

1. What DevOps Is and Why It Matters

   DevOps is a set of practices and a culture that removes the barrier between developers and operators to ship software faster, more often and more reliably — not a job title or a tool.

2. DevOps Lifecycle and Toolchain

   An 8-stage infinite loop Plan → Code → Build → Test → Release → Deploy → Operate → Monitor, each stage with its own tool group; Monitor feeds back into Plan.

3. CI, Continuous Delivery and Continuous Deployment

   CI integrates and tests every change automatically; Continuous Delivery keeps every build ready to release but production needs a human approval; Continuous Deployment goes to production automatically.

4. DevOps Transformation — Challenges, Maturity and Roadmap

   Six challenges in adopting DevOps, a 5-level maturity model from Novice to Expert, and an Assessment → Planning → Execution roadmap with a POC on one project.