it is very useful to use vi editor to compose yaml file for Kubernetes. we can launch the VI or VIM editor by typing vi or vim in the CMD or cmder.
if you are not comfortable working with vi or vim. there is GUI version of vi call gwin.
you can download a copy of gwin for windows from the link below.
https://www.vim.org/download.php#pc
1. you should run the exe file with administrator privilege to ensure the file can install into the proper location.
2. second step you can either run this script in the powershell window
Set-alias gvim "C:\Program Files (x86)\Vim\vim82\gvim.exe"
or add the application path (C:\Program Files (x86)\Vim\vim82\gvim.exe) to the Path variable in the Environment Variable Window
then you can launch gwin editor from CMD or cmder
