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CI/CD Explained: How Automated Pipelines Take Code from Push to Production

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CI/CD stands for Continuous Integration and Continuous Delivery or Deployment, and refers to automation that builds, tests, and releases code without manual intervention. Continuous Integration ensures every code push is automatically built and tested to catch bugs early, while Continuous Delivery or Deployment prepares and ships passing code to production. Together, they replace error-prone manual release processes with a reliable, repeatable pipeline. Industry research by DORA shows that high-performing engineering teams deploy multiple times a day by using small, frequent releases that are easier to test and roll back. Tools like GitHub Actions, available since 2019, allow developers to define such pipelines in a YAML file that triggers automatically on code changes.

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