Using environment variable as password for "MQTT in" node

[Steve-Mcl]

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MQTT configuration from file or env. variable

Hi @Chris24918 you can do this using environment variables. Any node property can be set to something like $(MY_CLIENT_ID) and the runtime will substitute the value of the env var MY_CLIENT_ID before it gets passed to the node. This cannot be used to insert env vars into part of the value - it has to be the entire value - so $(MY_CLIENT_ID)_FOO will not work. That is exactly what you want if you are deploying the same set of flows to 50+ devices and you need each to insert its own configurati…

@Myzhar

but it seems like if the environment variable is not resolved and the node applies the exact chars entered in the form field as password

Are you saying it works OK if the env var IS created (but uses the $(xxx) if its not defined)?

In which case - is that a problem?