Many of you must be thinking how CI works or want to try by yourself. Here is a step by step guide which can help creating your own small CI cycle.
Prerequisite : basic knowledge of Docker,GitHub,NodeJs
Installation: Install TeamCity from below link & Download the executable https://www.jetbrains.com/teamcity/download/#section=get
Once Download completed start the installation.
If you face any issue while installing add your user in Local policies under Log on as Service
You will get screen to select the port. I gave 8111.