kubectl command to decode secrets data (credit https://stackoverflow.com/a/58117444)

gistfile1.txt

kubectl get secret app-config -n demo -o go-template='                                                                                                                                                                               [23:06:16]
{{range $k,$v := .data}}{{printf "%s: " $k}}{{if not $v}}{{$v}}{{else}}{{$v | base64decode}}{{end}}{{"\n"}}{{end}}'