Review PR's related to helm chart changes

[vakaobr]

Is your feature request related to a problem? Please describe.

Some issues faced by people using this got fixed with (very small) changes on the helm charts, deployed locally and came to this repository as PR's, but need to be reviewed/accepted/merge to reach a larger audience.

Describe the solution you'd like

Review / accept (if agreed as a good implementation) the changes proposed in PR's related to helm charts, like:

• feat(helmchart): configurable securityContext #1179
• feat(helm chart): Make env vars configurable and auto configure go runtime #1246
• feat(helmchart): Extend helm chart to include automount toggle for service account #1419

cc: @aramase @enj