Use existing secret for postgres initial password

[jameshearttech]

Is your feature request related to a problem? Please describe.
The problem we are trying to solve is having to immediately change the postgres password on a new deployment because it is defined in plain text in the values.yaml file.

Describe the solution you'd like
The solution we would prefer is to provide password in an existing secret.

Describe the main design/architecture of your solution
The solution we would prefer is to provide password in an existing secret.

Describe the development plan you've considered
No consideration.

[github-actions]

This issue is being marked stale due to a period of inactivity. If this issue is still relevant, please comment or remove the stale label. Otherwise, this issue will close in 30 days.

[jameshearttech]

Keep open.

[github-actions]

This issue is being marked stale due to a period of inactivity. If this issue is still relevant, please comment or remove the stale label. Otherwise, this issue will close in 30 days.

[github-actions]

This issue was closed because it has been stalled for 30 days with no activity. If this issue is still relevant, please re-open a new issue.