Docker toolbox mounted volume empty. And I use Docker Compose to start the containers.

Docker toolbox mounted volume empty. Try it out In this hands-on guide, you’ll practice how to create and use a bind mount to share files between a host and a container. Named volumes in Linux are a semi exception because docker initializes the contents of a named volume with the image directory contents. It's mean that is the drive is plugged while Docker is running, the folder can be mount inside a docker, but appear empty. yml and connect with the container shell, the directory /var/www/html is filled. Hello, I am using Docker Toolbox (v19. 0 inside a docker container on an Ubuntu 22 server. Am I doing something wrong or could this be a bug? Detailed reproduction instructions at the bottom. 39. I'm trying to use a volume share with my computer. Oct 11, 2024 · I have created a Docker volume and wish to mount it so that it is accessible by a non-root user in the container. My os debian bookworm 12 ( for the Jul 27, 2019 · I’m using Docker Toolbox on Windows, since I can’t use Docker for Windows on my machine. I tried to create a file in the / Aug 28, 2021 · Is the volume 100% empty? If not: when did you first create/use the volume? Any chance it was used before you added the copy command? Contents of the image are only copied to an empty volume: Populate a volume using a container If you start a container which creates a new volume, as above, and the container has files or directories in the directory to be mounted (such as /app/ above), the Jul 23, 2019 · Created a VM using docker-machine create today. The host filesystem also stores volumes, similar to bind mounts You are copying the config folder with content when building the image. /<appsrc>:/app # <= This doesn't work # Instead use the location of the volume on the host May 4, 2019 · I have a little problem with the docker. May 26, 2018 · I am a Docker newbie and currently replicating course videos. This optimization ensures that file access between the host and virtual machine (VM) is fast and efficient. Does anyone know why this is happening, or how to get around it? Nov 21, 2019 · The docker run command I have provided does the same thing but when I run inspect the volumes section in the inspect is an empty array even though the binds are showing in the mount section. The crazy things are first, this only happens if they are mounted as AFP, but work when SMB mounted. Can someone please tell me why the ls -a command inside the container is empty? Could it be the Windows 10 problem? Thanks, Mike Jul 19, 2019 · Docker volume and Docker mount are two different things. Jan 7, 2024 · We confirmed, that we could create an empty volume directory, we could populate it when we started a container and mounted the volume, and the files appeared where Docker creates volumes. 20 - included in Docker Toolbox installer) under a Windows 7 laptop. It seems file volume mounts for docker containers are not working (mounted directories are empty). Explore solutions for volume-related issues and optimize your Docker workflow. 958 Windows version: Microsoft Windows 10 Pro Steps to reproduce the behavior Create a directory on the host named my_volume under c:\\ and put a file in it. We walk through the root cause involving inode mismatches and offer clear solutions. With 4. This does not apply Nov 25, 2024 · I am trying to access a network drive from my docker container, but the mounted directory in the container is shown as empty. I tried that as well but no data is seen even after manually restarting container. So You will have Your C: drive in /c . Dec 7, 2015 · Slightly related; if your windows password changes and you do not update it in docker for windows you might see all mounts (file or directory) showing up as empty directories Description I am using Docker version 1. May 5, 2015 · Docker Toolbox automatically adds C:\Users as shared folder /c/Users under virtual linux machine (using Virtual Box shared folders feature), so if your docker-compose. 0-beta20 OS X: version 10. ---This video is based on t Jun 10, 2021 · The empty mount problem was resolved by using "Reset to factory defaults" inside Docker (under Troubleshooting). ) Why would this not be mounted, or, how can I debug why it isn't mounted? Mounted volume is empty? So I am running InfluxDB 2. The original content of a mount point will be eclipsed with the bind mounted host folder. Volumes cannot mount within other volumes (but see Using subPath for a related mechanism). If you need something to be obtained inside the container - either mount volume before obtaining it (than it wil obtained to the mounted volume) or if it is already in container - make a Feb 11, 2025 · You’re bind-mounting the /app directory, then you’re mounting a volume into that same directory (which creates node_modules within it). Mkdir <Name Of the Volume You wan to Create> Step 2 Dec 28, 2023 · (It does contain a few leftover files from previous attempts to debug this, and if I move the mount to a different location inside the container the leftover files appear there too. 38, but all the volume mounts failed with 4. 8' services: web: build: context: . In the past, when I restart Docker desktop, most of the time, the problem is fixed and when I start the container again, the volumes are mounted correctly. Aug 5, 2016 · That's probably related to the reason why there are no listed files on mounted volumes. 4. Sep 30, 2022 · The container folder is used as a mount point for the host folder. My issue is with the following command: docker container run -it --rm -v database_mongodb_data:/data/db -v $(pwd):/backup ubuntu bash With the second -v flag, I want to bind my current working directory to the container as a volume, to copy some data from the host machine into the container. Don’… Mar 31, 2016 · Expected behavior When listing the files of a mounted volume in the container, the files from the host directory should be listed Actual behavior The mounted volume appears to be empty Information Docker for Windows version: 1. Apr 6, 2021 · When I mount the volume in docker-compose. 4 on the back end on an M1 Mac mini. 1, build 5d8c71b2 Windows 7 x64 Virtual box sharing folder. By default docker toolbox mounts windows C to /c in boot2docker VM. These files persist if I docker compose down and docker compose up. 6, build 370c289 Jun 11, 2025 · In this post, we investigate a tricky Docker Compose mount issue where a bind-mounted folder appears empty inside the container after redeploy. 0. I am now able to mount volume from windows host Jun 29, 2022 · Other documentation says: If you mount a bind mount or non-empty volume into a directory in the container in which some files or directories exist, these files or directories are obscured by the mount, just as if you saved files into /mnt on a Linux host and then mounted a USB drive into /mnt. You only depend on the state of a container if you are doing something wrong and You need to have files outside WSL filesystem which will map to docker image mounted windows shares. I execute command in the Docker Quickstart Terminal. Control how volumes are declared and shared between services using the top-level volumes element. docker Apr 25, 2018 · I am not sure about the root of the problem, but it seems to be solved since I did those actions: >uninstall docker + remove docker env variables >uninstall virtual box >remove hyperv machines >reinstall latest docker for windows >set my external switch as private >share drive through GUI In addition, my company updated some policy on their side. Apr 3, 2017 · I'm trying to learn docker at the moment and I'm getting confused about where data volumes actually exist. Dec 20, 2016 · I tried replacing the volume specification in the docker-compose. This directory will act as a volume that can be mounted to the container. And I use Docker Compose to start the containers. The container then mounts and uses the volume, and other containers which use the volume also have access to the pre-populated content. Sep 19, 2019 · Docker volume mounted as empty Asked 5 years, 4 months ago Modified 5 years, 4 months ago Viewed 521 times Nov 13, 2023 · Volume naming – Did you use the exact volume name specified during create? Paths – Is the container mount path valid and permissions correct? Drivers – Is the volume driver compatible with the container OS and Docker storage driver? Host server – Any issues mounting volumes on the Docker daemon host itself? Oct 15, 2020 · Running docker-machine on Ubuntu, mounting local folder with docker run -v option, folder is empty in Docker container. The host docker runs on has Windows 10 Enterprise LTSC, Build 17763 (which seems to not support wsl2 yet, but we don’t want to update it. $ docker run --mount type=bind,src=<host-path>,dst=<container-path> $ docker run --volume <host-path>:<container-path> Learn how to create, manage, and use volumes instead of bind mounts for persisting data generated and used by Docker. I would like to use a bind mount of an host directory Apr 27, 2017 · To get better volume mounting, you have to use Docker for Windows (which requires Windows 10 Pro because Hyper-V is required). We would like to show you a description here but the site won’t allow us. Then, when you create the container, you are mounting an empty config folder over the existing config folder, effectively removing your access to the contents of the config folder built into the image. Oct 14, 2015 · How can I share a folder between my Windows files and a docker container, by mounting a volume with simple --volume command using Docker Toolbox on? I'm using "Docker Quickstart Terminal" and when Jul 25, 2024 · How can I mount the new volume in the docker container without rebuilding it? You can not rebuild a container. 11 Jan 13, 2021 · If you haven't explicitly docker volume create d the volume, docker run -v volume-name: will create it for you. Jul 31, 2020 · In short, when I try to use a Windows directory as a volume or bind mount in WSL 2 with Docker Desktop integration, it just mounts an empty directory instead of the source directory. Understanding these challenges is crucial for seamless deployment. Dec 1, 2018 · When using Docker Toolbox for Windows, mounting volumes requires additional setup steps. 5 on Windows 10 via Hyper-V and want to use container executables as commands in the current path. I’ve used the --mount because it allows for specification of more options, specifically the uid and gid for the Mar 29, 2017 · I can verify that the volumes are not getting mounted by running docker exec -it ng01 bash and seeing that the volume directory exists but is empty. 1) and VirtualBox (v5. The reason seems to be that docker-machine grabs t Apr 3, 2025 · I had a working Kubernetes environment with Docker Desktop 4. Jan 14, 2024 · Hi there this my first publication and I’ve spend 2 fully days for understanding what i am doing wrong… after reading thousand of posts i’ll try the docker community which is, in my way the first place for answers my question. Either will create the directory inside Docker's private implementation-details-subject-to-change directory tree. Reading the documentation, it said I needed to mount a partition at var/lib/influxdb2. Everything builds fine and runs (I checked via docker-compose ps). /baseimage dockerfile: Dockerfile ports: - '8000:8000' volumes: # - . yml file docker container stop using this Initializing database 2018-01-20T10:25:42. To start an app with docker from docker and mount a volume, you can just mount the volume with the path from the host. They are fully managed and do not depend on certain operating system specifics. Jul 12, 2016 · Using a volume for your postgresql data should do the trick. I have to add that I only have Windows 10 Home and I am hence limited to Docker Toolbox. Feb 9, 2018 · I use the following command to start up my stack: docker-compose -d --build via the Docker Quickstart Terminal on my Windows 10. Named volumes can also be migrated between Docker hosts by backing up and restoring or through volume plugins. I can see that the volume mapping is working and I’ve checked and confirmed the data I have encounter this bug with Docker on Windows so it may differed in your case. May 29, 2018 · Expected behavior docker-compose up -d should properly mount the volumes Actual behavior Suddenly (it worked perfectly two days ago, didn’t install anything nor updated OS), the volumes are no longer being mounted. yml file with an absolute Posix path based on a shared folder mount in VirtualBox, but docker-compose still transforms the path specification into a Windows path by reversing the forward slashes into back slashes, so I get an “invalid characters for a local volume name” error. Second, the mounts actually work in AFP Sep 2, 2025 · After creating the Volume, the next step is to mount the Volume to Docker Containers. 2. This u Discover why your mounted directory appears empty inside Docker containers and learn how to resolve this common issue effectively. 03. But no one writes about the /home in wsl and volume mounts in windows docker toolbox ( which is using Virtual Box image for Jul 29, 2019 · Hi All, I am trying to run docker with shared volume and want to share some files from my machine to with docker-machine running locally via VirtualBox. yml file is located somewhere under this path and you mount host machine's directories only under this path - all should work out of the box. 40. You no longer see the image contents when a mount replaces access to that directory, same a mounting a filesystem other ways in Linux. That’s what volumes are for. Sadly, all the mounts are made as root, thus any data mounted directly will belong to the root user. This is my docker-compose command. But, when I mount a directory from windows, I can see the directory, but it is empty. The host directory bound to /app reflects whatever’s inside it, and the node_modules directory is created there The contents of the node_modules will be stored within the volume itself, thud the directory created on the host is empty Managing volumes Volumes have their own lifecycle beyond that of containers and can grow quite large depending on the type of data and applications you’re using. I am not sure if Docker Desktop for Mac supports to map single files from the host to single files in the container, if it does, you could create a volume mapping per file. Sep 16, 2019 · 2 I am running docker compose command to run the app in docker. 12. Jun 11, 2025 · In this post, we investigate a tricky Docker Compose mount issue where a bind-mounted folder appears empty inside the container after redeploy. Feb 8, 2025 · Here’s a complete tutorial on docker volume, covering what it does, examples, and use cases. Jul 26, 2016 · I’m trying to mount a volume from my host into a container but it is empty. Mar 4, 2021 · Is this a BUG REPORT or FEATURE REQUEST? (leave only one on its own line) /kind bug Description podman play kube: In some cases volumes are mounted as empty folders into the containers. jpg Already tried removing the docker machine from virtualbox and creating it again, pruning all volumes / images and containers. For each container defined within a Pod, you must independently specify where to mount each volume that the container uses. Mar 6, 2023 · I am having a problem with my GitLab pipeline when trying to mount a docker volume inside a container. I can see the files on my computer, but they are empty from my container. In this guide, we’ll show you why it happens and How To Fix "Permission Denied" Errors When Mounting Volumes in Docker with clear examples. Runnig docker run -it --name vd -v ~/Desktop:/Desktop r-base bash… May 29, 2020 · I get the following error when I run the “mpirun -n 1 main” command when I open a container on docker using host volume (like this: docker run -it -v (host/directory): (container directory) image). What am I missing? task "app" { driver = "docker" config { im… Jun 21, 2018 · If you want to share a volume between two containers you should usually use a "named" volume like docker run -v sharedvolume:/src/data and docker run -v sharedvolume:/src Sep 1, 2020 · Volumes mount files/directories from the source over whatever exists inside the image at that location. I understand that by default Docker volumes are mounted with root user ownership thus preventing its read-write access by the non-privileged user within the container. However, managing such a large number of Docker Volumes becomes very difficult at times. 12) docker-compose version 1. /app is the root volume I added for the code of each container. SO let’s start by the beginning. I would love to know if others have run into this, what workarounds there are, and how to avoid it. 39 I completely rebuilt my Kubernetes environment, but there was no change. 20. Feb 22, 2017 · I try to create a docker-compose image for different website. Here is an exemple of the docker-compose. Expected behavior Mounted volume inside container contains the same data as the host Actual behavior Mounted volume inside container is empty Information Docker for Mac: version: mac-v1. It is very annoying having empty directories cluttering my repo is Oct 8, 2019 · Mount a volume from a container to a host. However, when I try to do the same on an Ubuntu server the ‘initial’ data from the mapped volume is not working. I built a Docker image that is running fine, but I hav Apr 4, 2022 · A Docker volume is a directory somewhere in your Docker storage directory and can be mounted to one or many containers. The following commands will be helpful to manage volumes: docker volume ls - list all volumes docker volume rm <volume-name-or-id> - remove a volume (only works when the volume is not attached to any containers) docker volume prune . Before I explain the problem, first I will describe my whole setup, because I think that is very Mar 27, 2020 · On my macbook I have postgres running in a docker container and I use a mapped volume to persist the data. I am using Docker Desktop 4. Run a container Download and install Docker Desktop Feb 6, 2020 · I am trying to start a container, create a mount between container and host (accessible in Windows or WSL), in particular PWD from where docker-compose is run, and have that volume populated with container content. This works perfectly locally. config directory inside of a Docker container results in an empty directory. Jul 17, 2025 · Volumes are mounted at specified paths within the container filesystem. If I mount a single file, it is working. I reached the conclusion that resetting Docker might fix the problem when I observed that the Drupal 7 Lando recipe was mounting the SMB-hosted folder as a volume via a named mount like the following: I have a few containers in a docker compose file that share a library which I added as a volume in /app/lib/. docker-compose. Jun 10, 2025 · When working with Docker volumes, one of the most common and frustrating issues is encountering a "Permission denied" error—especially when running on Linux or WSL. I am attempting to attach previously created mounts on my NAS to containers, but the bind volumes in Docker appear empty. Containers are supposed to be disposable by design and hold no state in the container filesystem. (source) When it says bind host paths is that not meaning the Nomad client node host filesystem? Nov 11, 2024 · It then creates a backup tarball containing the volume‘s files persisted to the local directory. When I omit the "volume" entry in the docker-compose. Since the volume is anonymous, it's easy to lose data. I've even twiked arround on the windows permission system giving full access to everyone in the folder of the project with no success. Discover effective techniques to identify and resolve common problems with Docker volumes, ensuring optimal container data management and storage. (Windows 10) In the docs they say that running doc PostgreSQL works normally but the information is physically stored in a randomly named directory under /var/lib/docker/volumes/. But, volumes defined in yml are empty. Jan 23, 2025 · Learn how to solve Docker volume mounting problems, usually caused by path issues, misaligned permissions, and virtual machine limitations. You can rebuild an image, and you can remove and (re-) create a container. Oct 28, 2022 · Docker exec into the container and find the mount volume files are simply gone. Oct 29, 2022 · We recommend using mount if you wish to have more control over volume definitions. The PWD is If you start a container which creates a new volume, as above, and the container has files or directories in the directory to be mounted (such as /app/ above), the directory’s contents are copied into the volume. Apr 3, 2018 · To get a named volume with a host directory, you can define a named volume that is a bind mount using one of the below options: # create the volume in advance $ docker volume create --driver local \ --opt type=none \ --opt device=/home/user/test \ --opt o=bind \ test_vol # create on the fly with --mount $ docker run -it --rm \ Information Docker version 18. yaml: version: '3. May 2, 2019 · I am using Window 10 Home Edition, I have Toolbox installed. Sep 29, 2025 · Discover why your Docker mounted volumes can sometimes appear empty and learn the key concepts behind volume mounts and their implications in this comprehens Apr 18, 2021 · If you start a container which creates a new volume, as above, and the container has files or directories in the directory to be mounted (such as /app/ above), the directory’s contents are copied into the volume. We will create a Docker Container with the Ubuntu base Image which you will mention in Dockerfile and mount the geeksforgeeks Volume to that Container using the -v flag. Basically, it's look like Docker is able to handle only mounted drive when the engine start. Dec 24, 2018 · I may just be failing to searching these forums, as I feel like this is something that would have been asked and answered, but how can I mount folders outside the User directory on Docker Toolbox on WIndows 10 Home? I’ve shared the folder onto the VM, but can’t seem to actually get it to mount into a container (using docker compose). That's why in WSL it is suggested to add / root automount. You’re using Docker Toolbox, which only supports mounting folders in C:\Users<your-user>. Step 1: Create an Empty Directory on the Docker Host This command creates an empty directory on the Docker host. Table of Content Oct 25, 2024 · Inside the volume tag i tested almost everithin (chage blakslash, change /mnt/c/ etc ) but no one is usuful for me, try out also what is described in how to mount volume Jan 30, 2017 · Expected behavior Postgres should start and mount the correct windows directory as a data volume Actual behavior The files belonging to this database system will be owned by user "postgres". 40 has not fixed the problem. Jun 3, 2021 · The Dockerfile fails to build, but with docker-compose shell I can verify that the directory is mounted and the file exists. Oct 7, 2018 · I'm using docker toolbox on my laptop because it doesn't support docker for windows. To restore, the process can be reversed – untar the backup file over an empty mounted volume. In this article, we are going to discuss how to manage Docker Volumes by executing commands through the Docker Command Line Interface (CLI). yml: version: '2' services: website: Sep 3, 2025 · Steps to Create And Attach Bind Mount To The Docker Container Follow the steps Mentioned below to create and attach the bind mount to docker container. 0-ce, build 0520e24302 (Docker toolbox / boot2docker / virtualbox 5. I’m trying to install a docker for running a space engineers deicated server on linux . Jan 6, 2022 · I am attempting to mount a non-empty directory into a container, however, the directory inside the container is empty. Postgres starts up in an ‘empty’ initial state. My command is: docker r Apr 11, 2025 · I am fairly new to Docker, and am loving it. Everything is working fine except for my volumes. 337424Z 0 [Warning] TIMESTAMP with implicit DEFA Jul 19, 2018 · So it's not a behavior of the VOLUME instruction but rather named docker volumes which can you use via -v or --mount without having VOLUME in the docker image at all. Jul 23, 2025 · If you want to share files and directories among multiple Docker Containers, you can easily mount Docker Volumes to different Containers. yml, the directory is empty. 6. Synchronized file shares improve bind mount performance by leveraging synchronized filesystem caches. Dec 15, 2015 · If there was a way to inform the user (I guess info vs error) that the volume mount in windows using docker toolbox did not work because folder xyz does not exist (and then display where docker-compose is looking) would solve 99% of the problem. In bind mounts, we specify Host Path and it does not show in docker volumes ls and volume we specify docker volume name and we can see docker volume using docker volumes ls Volumes: Volumes are the preferred way to store persistent data Docker containers create or use. The directory does not already exist in the container. 0 with Docker 28. Nov 22, 2019 · Volume mount on the host "[file directory]" isn't supported - ignoring path on the host I have tried a few different solutions to my issue, firstly trying to add hostPath to my kompose convert as well as using persistent volumes, however both do not work. I'm using Docker Desktop for Windows. Mar 4, 2019 · Mounted volume paths inside the container are empty. However I have an issue where whenever I run my container it creates an empty lib/ folder in all the root location of my root code in my local directory. Oct 31, 2022 · Binding a path from the alloc/ directory into the /root/. Volume is empty General joergklein (Joergklein) October 8, 2019, 11:50am 1 Jan 20, 2018 · my container is not working when i use volumes in docker-compose. What is docker volume? docker volume is a Docker command used to manage volumes, which Even there was already a folder INSIDE the container - it get remaped by host mount (until it gets unmounted - than original content will be "restored"). Docker Version: Docker version 20. The container has been started successfully but the mounted directory was empty. Steps to re When mounting volumes in containerization, common issues include permission errors, improper paths, and performance bottlenecks. 2 of my co-workers can reproduce this issue on their windows machines with docker toolbox. 10. The reason was that the mounted directory must be under the user's home directory. Our docker configuration works fine on my desktop, but when using docker toolbox I run into an issue where the volume mounted with the project files is empty. The only workaround I have found is to stop the docker process completely and restart it, or occasionally, reboot the machine completely. (At work I have W 10 Pro and use Docker itself May 1, 2020 · In the issue mentioned in that link, the data in bind mount directory is lost, but it can be seen after manually restarting the container. o6jsba6 ntb 0bgqtkxd 9vx qql 4qwkpu4f 46qhv 8pk3 mw xt