Docker does not provide an interface to access volumes directly but you can use a container that has the volume mounted. This may need a temporary container to be created: CID=$(docker run -d -v hello:/hello busybox true) Copy a directory from volume to host docker cp $CID:/hello ./ To copy a directory from the host … Read more
Docker does not provide an interface to access volumes directly but you can use a container that has the volume mounted. This may need a temporary container to be created: CID=$(docker run -d -v hello:/hello busybox true) Copy a directory from volume to host docker cp $CID:/hello ./ To copy a directory from the host … Read more
The -v (or –volume) argument to docker run is for creating storage space inside a container that is separate from the rest of the container filesystem. There are two forms of the command. When given a single argument, like -v /var/lib/mysql, this allocates space from Docker and mounts it at the given location. This is … Read more
Simply remove the MYSQL_USER and it will work fine because the root user gets created automatically. PS. This seems to be a problem with a newer docker version because this used to work before and not throw an error.
This is an answer to my own question. I found the following pure Docker approach. I was looking for a way to copy files to a volume directly, but that does not seem to be supported for some reason? You can copy files to a container however. So the following works: export DOCKER_HOST=tcp://remote_host:2375 docker volume … Read more
Approach #1 – COPY To copy the file from the host to the container docker cp /path/of/the/file <Container_ID>:/path/of/he/container/folder Issue with the above approch is, it will not persists the volume or file or dir, as you remove the container it will be lost. This is suggested only for temporary pupose. Approach #2 – Volume Mounting … Read more
You can use: docker system df -v More info at https://docs.docker.com/engine/reference/commandline/system_df/
The Compose file also has a top-level volumes: block and you need to declare volumes there. version: ‘3.9’ services: ca: volumes: – “step:/home/step” et: cetera volumes: # add this section step: # does not need anything underneath this There are additional options possible, but you do not usually need to specify these unless you need … Read more
When bind mounts are files coming from your host machine, volumes are something more like the nas of docker. Bind mounts are files mounted from your host machine (the one that runs your docker daemon) onto your container. Volumes are like storage spaces totally managed by docker. You will find, in the literature, two types … Read more
The –volume option is described in the docker run reference docs, which forwards you on to the dedicated Managed data in containers docs, which then forwards you on to the Bind mounts docs. There, it says: If you use -v or –volume to bind-mount a file or directory that does not yet exist on the … Read more