Revisit all exposed fields in helm charts

[kevin85421]

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• [X] I had searched in the issues and found no similar feature requirement.

Description

We need to revisit all exposed fields in helm charts to determine which one should be an optional argument for users. We need to explicitly set the default values for the optional fields. As mentioned in #548 #537, undefined arguments will cause some errors in old helm versions.

Use case

See related issues.

Related issues

#537 #544

Are you willing to submit a PR?

• [X] Yes I am willing to submit a PR!

[kevin85421]

cc @DmitriGekhtman

[DmitriGekhtman]

Making configuration as simple and accessible as possible is important! Hence, P1 (moderate priority).