I'm trying to use an MQTT broker to broadcast some data. For flexibility, I want to set the MQTT variables in the system environment and then read them in my Node-Red flow. It used to work (some years ago) but no longer does. Here's a simple example showing this. Working context: Node-RED versi…

OK -- success. Here are the details: (1) I've now modified the EnvironmentFile contents to remove export from the beginning of each line. user@RP01:~$ cat ~/.node-red/EnvironmentFile MQTT_BROKER=broker.hivemq.com MQTT_PORT=1883 MQTT_CLIENT_ID=Client007 MQTT_TOPIC=ViewMe/Meter01 MQTT_NAME=MyName (…

jbudd 19 March 2024 16:47 16

Unfortunately the Node-red documentation on environment variables is wrong.

https://discourse.nodered.org/t/error-in-user-guide/86486

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Accessing environment variables

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