This document summarizes a presentation given at DevOpsDays Jakarta 2020 about automation and CI/CD. It defines automation and discusses why it is needed, especially in DevOps. Common types of automation for DevOps like infrastructure provisioning, CI/CD, and testing are covered. The presentation recommends Jenkins as a free and customizable CI/CD tool and describes how to implement a CI/CD pipeline using Jenkinsfile. It also discusses dockerizing the build process for flexibility and concludes by thanking the audience and sponsors.