2020/01/17 #ふくばねてす node-3 - connpass
https://fukubernetes.connpass.com/event/159429/
image quality is low because of upload size limits , so I recommend to look at slideshare below.
slideshare : Operator reading and writing ( Operator SDK 編 )
https://www.slideshare.net/ssuserb989ce/operator-reading-and-writing-operator-sdk