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mergerfs-docker

build Shiny%20version Docker Pulls Docker Image Size (latest by date)

All credit goes to trapexit/mergerfs.

Motivation

If you are here, then you are most likely looking for a simple solution to fuse multiple hard drives' contents to a single mountpoint using mergerfs and docker. There are multiple containers which dockerize mergerfs, however none are regularly updated, with open-sourced dockerfiles (no crypto-miners) and simple to use. This repository attempts to do just that. Simply mount your hard drives as volumes to /disks and mergerfs will make them available under /merged. Exposing the /merged volume to host, you need to use :shared bind to share it between the container and host. Change the volume path on the host to your prefered location and that's it!

How to run it

Docker run:

docker run -v /mnt/nd1:/disks/nd1 -v /mnt/nd2:/disks/nd2 -v /mnt/nd3:/disks/nd3 -v /mnt/merged:/merged:shared --device /dev/fuse --cap-add SYS_ADMIN -d hvalev/mergerfs

docker-compose:

version: "3.8"
services:
  mergerfs:
    image: hvalev/mergerfs:latest
    container_name: mergerfs
    cap_add:
      - SYS_ADMIN
    devices:
      - /dev/fuse:/dev/fuse
    volumes:
       - /mnt/nd1:/disks/nd1
       - /mnt/nd2:/disks/nd2
       - /mnt/nd3:/disks/nd3
       - /mnt/merged:/merged:shared
    restart: always

Customizing

  • If you would like to customize the mergerfs command with additional options, you can overwrite entrypoint.sh by mounting your own using an additional volume mount.
  • If you would like to combine this with samba to share it over the network, you could also use a samba docker container.

Acknowledgements

The following resources have been extremely helpful:

Licence

mergerfs itself has the following licence:

/*
  ISC License

  Copyright (c) 2016, Antonio SJ Musumeci <[email protected]>

  Permission to use, copy, modify, and/or distribute this software for any
  purpose with or without fee is hereby granted, provided that the above
  copyright notice and this permission notice appear in all copies.

  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

https://github.com/trapexit/mergerfs/blob/master/LICENSE