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portable-services/alpine-matrix/README.md

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Matrix synapse service with IRC and Telegram gateways

A collection of systemd services that run synapse, matrix-appservice-irc and mautrix-telegram in a read-only alpine squashfs image.

Building the squashfs image

Run:

$ sh build.sh

It will create a rootfs/ folder with an alpine filesystem, install synapse, matrix-appservice-irc and mautrix-telegram and compress it into a squashfs image that will be used as a root filesystem for the container.

If the script finished successfully, you should get an ~50M matrix.raw image.

Running the portable services

Attach the container with sudo portablectl attach ./matrix.raw.

The output should look something like this:

$ sudo portablectl attach ./matrix.raw

Created directory /etc/systemd/system.attached.
Created directory /etc/systemd/system.attached/matrix.service.d.
Written /etc/systemd/system.attached/matrix.service.d/20-portable.conf.
Created symlink /etc/systemd/system.attached/matrix.service.d/10-profile.conf → /usr/lib/systemd/portable/profile/default/service.conf.
Copied /etc/systemd/system.attached/matrix.service.
Created directory /etc/systemd/system.attached/matrix-telegram.service.d.
Written /etc/systemd/system.attached/matrix-telegram.service.d/20-portable.conf.
Created symlink /etc/systemd/system.attached/matrix-telegram.service.d/10-profile.conf → /usr/lib/systemd/portable/profile/default/service.conf.
Copied /etc/systemd/system.attached/matrix-telegram.service.
Created directory /etc/systemd/system.attached/matrix-appservice-irc.service.d.
Written /etc/systemd/system.attached/matrix-appservice-irc.service.d/20-portable.conf.
Created symlink /etc/systemd/system.attached/matrix-appservice-irc.service.d/10-profile.conf → /usr/lib/systemd/portable/profile/default/service.conf.
Copied /etc/systemd/system.attached/matrix-appservice-irc.service.
Created symlink /etc/portables/matrix.raw → /home/vladan/dev/portabled/alpine-matrix/matrix.raw.

Start/Stop as any other systemd service, e.g:

sudo systemctl start matrix-appservice-irc.service matrix-telegram.service
sudo systemctl stop matrix.service

Existing matrix installations

  1. Stop your current services.
  2. Copy all configuration files to /etc/matrix.
  3. Run all portable services, so that they create all directories in /var/lib.
  4. Copy all data files, e.g. homeserver.db if you're using sqlite, media and upload folders for synapse, rooms.db for the irc gateway, etc. to /var/lib/matrix-{synapse,telegram,appservice-irc}.

Warning

You'll need to modify the configuration if the services are configured to log to disk, i.e. modify any filesystem except /var/lib/matrix-{synapse,telegram,appservice-irc}.

TODO

  • Use a Makefile to build the image. Add attach, detach and clean targets.
  • Rename matrix.service to matrix-synapse.service and add matrix.target that starts matrix.service