Exam essentials

Continuous integration, continuous delivery (CI/CD)

CI/CD is a set of tools and practices focussed on automating the steps taking software from code to production. It’s a key part of DevOps practices and enables fast, repeatable, and reliable testing and deployment. It also gives developers more time to work on features and fixes. The automated steps are often referred to as a pipeline.

Continuous integration (CI)

CI is focussed on automating software builds and tests. A developer will typically merge code to a repo with a particular tag that kicks-off an automated pipeline that builds the software and runs tests against it. It’s common to spin-up the build in a container and perform the tests. The code that passes the tests gets passed on to later CD stages.

Continuous delivery (CD)

CD is focussed on automating the delivery of software and infrastructure to live environments. It typically runs after CI processes and only deploys “...