What Is a CI/CD Pipeline? Complete Guide (2026)

What Is CI/CD? CI/CD stands for Continuous Integration and Continuous Delivery (or Continuous Deployment). It is a set of practices and tools that automate the process of building, testing, and deploying software. A CI/CD pipeline is the automated workflow that executes these steps every time a developer pushes code changes to a repository. Before CI/CD existed, software releases were painful. Teams would develop features in isolation for weeks or months, then spend days merging everything together and fixing conflicts. Testing happened at the end, usually manually, and deployments were high-stakes events that everyone dreaded. A single release might take an entire weekend, with the team sitting in a war room waiting for things to break. CI/CD changed all of that. By automating the integration, testing, and deployment steps, teams can ship changes in minutes instead of weeks. Every commit gets built and tested automatically. Every passing build can be deployed to production with a sing