I am using esphome for my sonoffs for some time now and I am very happy with it. Although I made a mistake and now I lost all the yamls from esphome dashboard. Is it possible to extract the yaml from the already running firmware of the sonoff ? It would be really helpful so I don’t have to make it from scratch.
I don’t think that this is possible. Esphome uses the yaml file to compile a firmware. There are no yaml in the sonoff
No it is not possible. Use your backups.
What do you mean “lost”? You cannot “lose” files? You can delete them, or have a storage failure. But they don’t just disappear.
@nickrout It was a docker failure that made me lose them. But anyway I found an old backup and fixed my issue.
If you aren’t already, use a mapped volume from the docker container to the host for the yaml files.
This way if the container is removed, the yaml files are saved.
Cheers!
DeadEnd
As per the instructions 
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