What is DevOps?

DevOps is a culture and set of practices that removes the barrier between the "team that writes the code" and the "team that runs that code safely". The goal is to accelerate the journey of software from idea to production while increasing the stability and security of the system.

The Goal of DevOps

• Shortening delivery time
• Reducing release errors
• Eliminating environment differences (the "it worked on my machine" syndrome)
• Making operations visible and measurable (log/metric/trace)

Core Principles of DevOps

• Automation: Testing, setup, release, rollback
• Continuous improvement: Every incident is a learning loop
• Shared responsibility: The product is not just "the code", it is "the running system"

Tools (Not the Goal)

Docker, Kubernetes, Jenkins, Ansible, Terraform… These are accelerators. What makes DevOps DevOps is not the tools but the standardized process + visibility + culture of responsibility.