How to generate a kubernetes secret with base64 encrypted

 Lets' say I want to create a secret with two key value pairs in it username,password.

The data should be base64 encrypted.

Initial values.

username: 'admin'

password: '4w572$9sns1&!'

These should be converted to base64.

can you below command to do them.

echo -n 'admin' | base64

YWRtaW4=

And the final secret will be like below.

secret.yml

apiVersion: v1

kind: Secret

metadata:

  name: first-secret

type: Opaque

data:

  username: YWRtaW4=

  password: NHc1NzIk0XNuczEmIQ==