Manage application configuration in your Node-RED nodes
Provide configuration details for external services at runtime
After you complete the second tutorial, in this tutorial you’ll learn how to provide configuration details for external services, such as a database or messaging service, at runtime. You’ll learn how to access environment variables in Node-RED, replace node configuration settings with environment variables, and set environment variables when creating a Docker container.
You can use the written instructions for the this tutorial in the workshop in GitHub.