Chapter 4: Continuous Integration Pipeline

1. A pipeline is a sequence of automated operations that usually represents a part of the software delivery and quality assurance process.
2. A step is a single automated operation, while a stage is a logical grouping of steps used to visualize the Jenkins pipeline process.
3. The post section defines a series of one or more step instructions that are run at the end of the pipeline build.
4. Checkout, compile, and unit test.
5. Jenkinsfile is a file with the Jenkins pipeline definition (usually stored together with the source code in the repository).
6. The code coverage stage is responsible for checking whether the source code is well covered with (unit) tests.
7. An external trigger is a call from an external repository (such as GitHub) to the Jenkins master, while Polling SCM is a periodic call from the Jenkins master to the external repository.
8. Email, group chat, build radiators, sms, rss feed.
9. Trunk-based...