helm - using condtional if to reliably check for nil value

 

If you're within a scope 

{{- if and ($.Values.envs) ($.Values.envs.demo) }}

    - name: ok

      value: oktoo  

{{- end}}

If you're not within any scope

{{- if and (.Values.envs) (.Values.envs.demo) }}

    - name: ok

      value: oktoo  

{{- end}}