Installation

Requirements

Any Docker-capable recent Linux box. I am using a fresh Ubuntu Server 20.04 on a repurposed laptop so this guide reflects it, but it would probably work with other distributions and different versions with a few tweaks.

Pre-Docker Steps

OpenSSH

If not done during installation, install OpenSSH server for remote connection: sudo apt install openssh-server

Static IP

Set a static IP:

sudo nano /etc//netplan/00-installer-config.yaml

# This is the network config written by 'subiquity'
network:
  ethernets:
    enp2s0:
      dhcp4: no
      addresses:
        - 192.168.0.10/24
      gateway4: 192.168.0.1
      nameservers:
          addresses: [8.8.8.8, 8.8.4.4]
  version: 2

Here, 192.168.0.10 is going to be the static IP, and we will use Google's DNS servers. Apply the plan:

sudo netplan apply

You can check the server uses the right IP with ip a.

Laptop Specific Configuration

If the server is installed on a laptop, you may want to disable the suspension when the lid is closed:

sudo nano /etc/systemd/logind.conf

Replace:

#HandleLidSwitch=suspend by HandleLidSwitch=ignore
#LidSwitchIgnoreInhibited=yes by LidSwitchIgnoreInhibited=no

Then restart: sudo service systemd-logind restart

Docker Setup

Install Docker by following these instructions.

Then, install Compose V2.

For a global installation (both your current user and root when using sudo), copy /usr/libexec/docker/cli-plugins rather than $HOME/.docker/cli-plugins/docker-compose.

You may then run the applications with sudo docker compose up -d

It is now time to share the folders to other local devices using NFS, as it is easy to set up and fast. Install the NFS kernel server:

sudo apt-get install nfs-kernel-server

Then edit /etc/exports to configure your shares:

/mnt/data/media 192.168.0.0/255.255.255.0(rw,all_squash,nohide,no_subtree_check,anonuid=1000,anongid=1000)

This will share the media folder to anybody on your local network (192.168.0.x). I purposely left out the sync flag that would slow down file transfer. On some devices you may need to use the insecure option for the share to be available.

Restart the NFS server to apply the changes: sudo /etc/init.d/nfs-kernel-server restart

On other machines, you can see the shared folder by adding the following to your /etc/fstab:

192.168.0.10:/mnt/data/media /mnt/nas nfs ro,hard,intr,auto,_netdev 0 0

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