Node-RED is a great open source tool to create flows for automatization purposes. I run it in a Docker container (Node-RED Docker image) to fetch and elaborate information and send me an alert if something’s out of the ordinary.
Out of the box, Node-RED is not secured, and anybody who can access its IP can see and change flows, and access its API. But there’s the possibility to configure the application so that it is accessible only after authentication.
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