Write declarative Jenkinsfiles with stages, agents, environment, credentials, parallel stages, and post actions.
Declarative Pipeline Basics
Create a Pipeline job with a Jenkinsfile — agent, environment, stages, steps, and post actions.
Agents, Parallel, When & Input
Control where stages run, parallelize tests, skip stages with when, and require manual approval with input.
Pipeline Credentials & Environment
Inject secrets and environment variables into Jenkins pipelines with credentials() and withCredentials.