docker run --env-file /path/to/file.env fails with "no such file or directory"

Question

I'm trying to run a docker image on a Debian server. The preproduced image has been pulled from Docker Hub.

The cmd line is (stripped to the bones):

sudo docker run -d -p 8190:433 --env-file /path/to/file.env my-image

/path/to/file.env is similiar to /var/lib/myapp/data/file.env

Executing this results in an error message:

docker: open /path/to/file.env: no such file or directory

But: the file exists (ls /path/to/file.env shows the file). Tried also chown to root and chmod 777 wthout success. Tried also copying the file to /tmp and referring to this file.

That should be `--env-file`. Is that a typo in your question? — MSpiller, Feb 28 '23 at 16:03
By any chance you installed docker via snap? If yes, it can't access any files outside of `$HOME` directory (see https://snapcraft.io/install/docker/debian) — derpirscher, Feb 28 '23 at 16:17
I didn't set up the server (was done by an external company), Is there a way to detect whether Docker was set up via snap? — Recurs1on, Feb 28 '23 at 16:27
`snap list` did it, and yes, it has been installed via snap. Thank you! Saved my day. — Recurs1on, Feb 28 '23 at 16:30

score 1 · Answer 1 · answered Jul 05 '23 at 02:51

1

Let me copy comment from derpirscher here.

By any chance you installed docker via snap? If yes, it can't access any files outside of $HOME directory (see snapcraft.io/install/docker/debian)

say if you move file to

/root/snap/file.env

then run

sudo docker run -d -p 8190:433 --env-file /root/snap/file.env my-image

answered Jul 05 '23 at 02:51

Jirapong

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Hi @Jirapong, thx. I uninstalled Docker as snap and installed it as recommended by Docker. Now everything is working as expected. – Recurs1on Aug 01 '23 at 09:45

docker run --env-file /path/to/file.env fails with "no such file or directory"

1 Answers1