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You should be able to. Are you experiencing an issue with mounting a local directory to a container, or is there a different error you're seeing?

yeah, they aren't mounting...

Are you able to see the mounts?

docker inspect -f '{{ .Mounts }}' container_name

window 1:

% ls html ; docker run --name test-alpine --rm -v html:/usr/share/nginx/html:ro -v etc:/etc/nginx/conf.d:ro nginx:1-alpine
503.html	50x.html
/docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
/docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
/docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
10-listen-on-ipv6-by-default.sh: info: can not modify /etc/nginx/conf.d/default.conf (read-only file system?)
/docker-entrypoint.sh: Sourcing /docker-entrypoint.d/15-local-resolvers.envsh
/docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh
/docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh
/docker-entrypoint.sh: Configuration complete; ready for start up
2023/10/23 21:39:59 [notice] 1#1: using the "epoll" event method
2023/10/23 21:39:59 [notice] 1#1: nginx/1.25.2
2023/10/23 21:39:59 [notice] 1#1: built by gcc 12.2.1 20220924 (Alpine 12.2.1_git20220924-r10)
2023/10/23 21:39:59 [notice] 1#1: OS: Linux 6.1.51-0-virt
2023/10/23 21:39:59 [notice] 1#1: getrlimit(RLIMIT_NOFILE): 1048576:1048576
2023/10/23 21:39:59 [notice] 1#1: start worker processes
2023/10/23 21:39:59 [notice] 1#1: start worker process 21
2023/10/23 21:39:59 [notice] 1#1: start worker process 22
2023/10/23 21:39:59 [notice] 1#1: start worker process 23
2023/10/23 21:39:59 [notice] 1#1: start worker process 24
2023/10/23 21:39:59 [notice] 1#1: start worker process 25
2023/10/23 21:39:59 [notice] 1#1: start worker process 26

window 2:

% docker exec -it test-alpine ls /usr/share/nginx/html
50x.html    index.html

hmm, I'm guessing that the

nginx:1-alpine

image isn't readily available for testing? Are you able to put together a minimal example to test with?

that's the real docker image 🙂 = 100% public.

ah, I see the

1-alpine

tag now 🙂

i only ran into that tag today, but it felt right!

I don't think the image is the issue, I just tested an example in on macOS using

:latest

and

1-alpine

and they behaved the same way (save for

1-alpine

requiring

/bin/sh

instead of

bin/bash

)

behaved how? -- where you able to put things there?

Yes

😕

I was able to mount an an example

nginx.conf

via

docker run -d -p 8080:80 -v $(pwd)/nginx_config:/etc/nginx/conf.d --name nginx-test nginx:1-alpine

i wasn't using

$(pwd)

hah, good catch!

now i just need to figure out where i saw

docker run ... -v

notation 😞