And I can say, my docker image is up to date, as the output of the following command is the below: docker image pull nodered/node-red:latest
latest: Pulling from nodered/node-red
Digest: sha256:ddd05759e91dce9db82d36a3df66011936cc49d59ac329589df379c44e74867e
Status: Image is up to date for nodered/node-red:latest
docker.io/nodered/node-red:latest
If you have any ideas or need some informations, don't hesitate to write to me.
Thank you.
As I tried a third time, I updated the image to the new node-red version 2.1.
While updating I thought, maybe the settings could differ so I let it create default settings.js which brought the projects working. So there is definitely a error in my configuration, so I'd thought of sharing it here.
difference to default settings.js:
as described in docs, to make it read the env var for credential secret