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Ok I should know this by now, but what actually is the current “./“ directory when you use that? Is it the docker daemons start dir like /var/docker ?
./
will be the directory you run your compose fromI'm almost sure that
./
is the directory of the compose.yaml.Normally I just run
docker compose up -d
in the project directory, but I could rundocker compose up -d -f /somewhere/compose.yaml
from another directory, and then the./
would be/somewhere
, and not the directory where I started the command.That seems like a bad idea
Its convenient because your data is stored in the same folder that your docker-compose.yaml file is in, making backups or migrations simpler.
Yup. Everything is in one place and there's no hardcoded paths outside of the work dir making it trivial to move across storage or even machines.
As other stated it’s not a bad way of managing volumes. In my scenario I store all volumes in a
/config
folder.For example on my SearXNG instance I have a volume like such:
This makes the files for SearXNG two folders away. I also store these in the
/home/YourUser
directory so docker avoids using sudoers access whenever possible.So why would you not write out the full path? I frequently rerun compose commands from various places, if I'm troubleshooting an issue.
The other day my raspberry pi decided it didn’t want to boot up, I guess it didn’t like being hosted on an SD card anymore, so I backed up my
compose
folder and reinstalled Rasp Pi OS under a different username than my last install.If I specified the full path on every container it would be annoying to have to redo them if I decided I want to move to another directory/drive or change my username.
I'd just do it with a simple search and replace. Have done. I feel like relative paths leave too much room for human error.
It's not.