Docker containers have been built and can be found here:
https://hub.docker.com/r/nodered/node-red-dev/tags
e.g. docker pull nodered/node-red-dev:4.1.0-beta.1
or
https://github.com/node-red/node-red-docker/pkgs/container/node-red-dev
e.g. docker pull ghcr.io/node-red/node-red-dev:4.1.0-beta.1
There are NodeJS 18, 20 and 22 builds with the usual suffixes including -debian and -minimal
(There is no -debian build on GitHub due to a minor bug in the tagging by the release process, next release will fix this)
