New to Node-Red but learning from the last few days. Here is my setup and my issue. I would appreciate it if someone guided me on what I miss here. My Ubuntu server IP address is - 192.168.1.34 My Node-Red is running as Docker Compose on port # 8123 My setup is listed in the image. I am able to …

as well as exposing Node-RED on port 8213 you will need to add tcp port 2000 to the compose ports section to allow it to be seen on the host - and thence externally.

Also, generally the advise is not to use docker unless you have a good reason.

Yeah, docker networking is quite complex. Do docker exec -it <nodered_container_id> sh and try pinging entities in the outside world. Networks act differently on Linux / Mac / Windows for whatever reason (might be the daemon itself). Let us know the results here so we might be able to help you furth…

Thank you. This was the answer. It worked.

TCP Server Issue with Docker

General

marcus-j-davies 17 January 2024 14:20 2

Welcome to the forums @IoTG

I am afraid this is more for the Docker expert community, most here do not use docker for their Node RED.

A hint will be, to setup your docker container with an interface that is within your local lan.
I don't know the correct terminology, but I'm sure the docker community will

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TCP Server Issue with Docker

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