diff --git a/docs/jenkins.md b/docs/jenkins.md
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--- a/docs/jenkins.md
+++ b/docs/jenkins.md
@@ -1,6 +1,7 @@
 # Jenkins
 * [Wikipedia.org: Jenkins Software](https://en.wikipedia.org/wiki/Jenkins_(software))
 * [Jenkins.io (new Jenkins 2.0 site)](https://jenkins.io/)
+* [jenkins.io - jenkinsfile](https://jenkins.io/doc/book/pipeline/jenkinsfile/)
 * [jenkins.io: Jenkins CD and Pipelines Microsite](https://jenkins.io/solutions/pipeline/)
 * [dzone.com: Jenkins Pipeline - Software Delivery Made Easy](https://dzone.com/articles/jenkins-pipeline-software-delivery-made-easy) Jenkins 2.0 has focused on solving the problem for organizations wanting to continuously deliver software.
 * [dzone.com: Jenkins Configuration as Code: Need for Speed! 🌟🌟🌟🌟](https://dzone.com/articles/jenkins-configuration-as-code-need-for-speed)
@@ -27,6 +28,8 @@
 * [opensource.com: Running Jenkins builds in Openshift containers](https://opensource.com/article/18/4/running-jenkins-builds-containers)
 * [thoughtworks.com: Modernizing your build pipelines 🌟🌟🌟](https://www.thoughtworks.com/es/insights/blog/modernizing-your-build-pipelines)
 * [rancher.com: Deploying and Scaling Jenkins on Kubernetes 🌟🌟🌟](https://rancher.com/blog/2018/2018-11-27-scaling-jenkins/)
+* [opensource.com - building cicd pipelines with jenkins 🌟🌟🌟](https://opensource.com/article/19/9/intro-building-cicd-pipelines-jenkins)
+* [medium: jenkins cicd getting started with groovy and docker](https://medium.com/@fvtool/jenkins-cicd-getting-started-with-groovy-and-docker-containers-part-2-b03a1b934a49)
 
 ## Jenkins X
 * [itnext.io/tagged/jenkins-x](https://itnext.io/tagged/jenkins-x)