What is CI/CD and DevOps?
Understand the principles of Continuous Integration, Continuous Delivery, and DevOps, and their importance in modern software development.
What is CI/CD and DevOps? is a free DevOps Bootcamp lesson on CoddyKit — lesson 1 of 4. You can read the complete lesson below for free — then practise it hands-on in the browser with a built-in code editor and a 24/7 AI tutor. It is part of the DevOps Bootcamp learning path, one of 4 lessons in the course, and your progress syncs across the web and the CoddyKit app.
What is DevOps?
DevOps is a culture that unites development and operations — tearing down the wall between the people who build software and the people who run it.
DevOps: A Cultural Shift
At its core, DevOps is about people, not tools: collaboration across teams, automating the repetitive, and shared ownership of the product.
Why DevOps Matters
DevOps pays off with faster delivery, fewer bugs, more reliable systems, and ultimately happier users. Speed and stability, together.
Introducing CI/CD
So how do you live out DevOps in practice? CI/CD — Continuous Integration and Continuous Delivery — automates the steps that make those principles real.
Continuous Integration (CI)
Continuous Integration means merging everyone’s work into the shared mainline many times a day, so you catch integration clashes early instead of in one painful big-bang merge.
The CI Process in Action
On every commit, the CI server builds the code, runs your tests, and pings the team the moment anything breaks. The mainline stays green.
Continuous Delivery (CD)
Continuous Delivery extends CI so your software is always releasable: every change is packaged, configured, and tested in a production-like environment.
CD vs. Continuous Deployment
The difference is the last mile. Continuous Delivery leaves a human button-press before production; Continuous Deployment ships automatically once tests pass.
The Power of CI/CD
A real CI/CD pipeline means rapid feedback, smaller and safer changes, faster releases, and quality enforced by automation rather than hope.
Test Your Knowledge
Does CI run before or after CD? Lock in the pipeline order.
Lesson Summary
You’ve got the foundation: DevOps as culture, CI for frequent merges and tests, CD for always-ready releases. Next up, GitHub Actions makes it real.
Frequently asked questions
Is the “What is CI/CD and DevOps?” lesson free?
Yes — the full text of “What is CI/CD and DevOps?” is free to read here on the web, and the DevOps Bootcamp course includes 4 lessons in total. To practise it interactively (a built-in code editor and a 24/7 AI tutor) and unlock the rest of the DevOps Bootcamp course, upgrade to CoddyKit PRO.
What will I learn in “What is CI/CD and DevOps?”?
Understand the principles of Continuous Integration, Continuous Delivery, and DevOps, and their importance in modern software development. You practise DevOps Bootcamp with hands-on code you run directly in the browser, and a 24/7 AI tutor answers your questions as you work through the lesson.
Do I need any experience to start DevOps Bootcamp?
No prior experience is required. DevOps Bootcamp on CoddyKit is structured for beginners through advanced learners; this is — lesson 1 of 4, so you can start here or from the beginning and move at your own pace.
How long does the “What is CI/CD and DevOps?” lesson take?
Most CoddyKit lessons take about 5–10 minutes. Each one is bite-sized and interactive, so you make steady progress and pick up exactly where you left off across the web and the app.
Can I write and run code in this DevOps Bootcamp lesson?
Yes. Every DevOps Bootcamp lesson includes a built-in code editor, so you write and run real code right in your browser and get instant AI feedback — no local setup required.
All lessons in this course
- What is CI/CD and DevOps?
- GitHub Actions Core Concepts
- Your First GitHub Workflow
- Managing Secrets and Environment Variables