How DevOps Broke Down the Wall
What if, instead of throwing work over the wall, Dev and Ops just worked together from day one?
That's exactly what started happening. Teams began sharing responsibility: developers learned about infrastructure, operations got involved earlier, automation replaced manual hand-offs, and shared tools replaced finger-pointing.
Same two teams. One structural change.
❌ Before DevOps
✅ After DevOpsDevOps is the practice of Development and Operations working together throughout the entire software lifecycle, using automation, shared tools, and continuous feedback to deliver reliable software faster.
Dev and Ops share goals, tools, and responsibility.
Automate builds, tests, deployments: everything repeatable.
Continuously integrate code and deploy to production.
Measure everything, learn from production, improve constantly.
Treat servers like software: version-controlled, reproducible.
Think about a time you worked on a group project where one team built something and 'handed it off' to another team. What went wrong?
That frustration (miscommunication, blame, delays) is exactly what DevOps solves. The rest of this course, and the roadmap after it, shows you how, tool by tool, practice by practice.