What is DevOps and How it Works?

Nice question Let's break it down in simple terms:
What is DevOps?
DevOps = Development + Operations
It's a culture + set of practices + tools that unites developers (who code) and operations (who operate/maintain systems).
The objective:
Deliver software faster
With better quality
And less downtime
Rather than devs coding and "throwing it over the wall" to ops, both collaborate using automation and shared accountability.

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How DevOps Functions (Workflow)
Consider DevOps to be a cycle (referred to as the DevOps lifecycle):
Plan
Teams schedule features, bug fixes, and enhancements.
Tools: Jira, Trello, Azure Boards.
Code
Developers write and version the code.
Tools: Git, GitHub, GitLab, Bitbucket.
Build
Code is compiled into applications (packaged).
Tools: Jenkins, Maven, Gradle.
Test
Automated testing is executed to identify bugs early.
Tools: Selenium, JUnit, PyTest.
Release
Approved code is automatically deployed using pipelines.
Tools: Jenkins, GitHub Actions, GitLab CI/CD.
Deploy

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Code is deployed into production (servers, cloud, containers).
Tools: Docker, Kubernetes, AWS, Azure, GCP.
Operate
The app is deployed in production, and it serves users.
Tools: Kubernetes, cloud services, config managers (Ansible, Puppet).
Monitor
Teams monitor constantly for performance, bugs, and user feedback.
Tools: Prometheus, Grafana, ELK Stack, Datadog.
Example: How DevOps Works in Real Life
Think of Netflix:
Developers implement a new recommendation feature
Code is in GitHub.
Jenkins automatically builds and tests it.
Monitoring tools verify whether users experience errors or slow streams.
In the event something goes wrong, teams roll back with speed through automation
Outcome: Users receive new features earlier, without Netflix crashing.
✅ Briefly:

DevOps is all about teamwork, automation, and continuous delivery.
It happens in a cycle of planning, coding, building, testing, releasing, deploying, operating, and monitoring
Would you have me illustrate you a graphic DevOps lifecycle diagram so you understand how it works step by step?

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