[node-red] Define 'CredentialSecret' at launch about charts

[carpenike]

Counter point though, is this actually needed or as we backup the entire /config volume do we have the CredentialSecret stored regardless of what its value is?

It appears this is primarily for moving flows to a new system.

Thoughts?

[bjw-s]

https://nodered.org/docs/getting-started/docker#credentials-secrets-and-environment-variables
Based on this, I run my chart with an additional ENV var (filled with a secret) that gets referenced in my settings.js file.

However - as you state - that only has effect when there is alreay a settings.js file to begin with. If it gets generated at the initial start, Node-RED will keep throwing the warning until you manually modify the settings file.

Maybe an initContainer could help here? It would check if the settings file already exists, and if it doesn't, it could place a default file containing the correct reference? Another approach could be to place the settings.js file under a configMap that gets mounted. This would potentially cause any persistent settings file to get overwritten at runtime though.

[stale]

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