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7 Days to Die server that runs inside a Docker container

This image will always install/update to the latest steamcmd and 7 Days to Die server, all you have to do to update your server is to redeploy the container.

The entire /steamcmd/7dtd is mounted on the host system at ./7dtd_data, which will avoid having to reinstall the game when updating or recreating the container.

Pre-Requisites:

Docker-compose installed on host

How to run the server

  1. First time only: Rename .env-sample to .env # This is where you'll hold information such as server & telnet password.
  2. Optionally set the SEVEN_DAYS_TO_DIE_SERVER_STARTUP_ARGUMENTS environment variable to match your preferred server arguments (defaults are set to "-quit -batchmode -nographics -dedicated")
  3. Optionally set the SEVEN_DAYS_TO_DIE_CONFIG_FILE environment variable to a different configuration file (default is /app/.local/share/7DaysToDie/serverconfig.xml)
  4. Open powershell or some other shell and run: docker-compose up -d
  5. Run the server once to generate the default configuration file, then optionally edit it to your liking at /7dtd_data/data/serverconfig.xml on the host, or/app/.local/share/7DaysToDie/serverconfig.xml in the container

Make sure that the 7D2D serverconfig.xml file has the same server and telnet password as the one you've set in .env file

.ev serverconfig.xml
SEVEN_DAYS_TO_DIE_SERVER_PASSWORD=testPassword <property name="ServerPassword" value="testPassword"/>

SEVEN_DAYS_TO_DIE_START_MODE. This determines if the server should update and then start (mode 0), only update (mode 1) or only start (mode 2)) The default value is "0".

Argument Value Description
SEVEN_DAYS_TO_DIE_START_MODE 0 (Default) server should update and then start
SEVEN_DAYS_TO_DIE_START_MODE 1 server should only update
SEVEN_DAYS_TO_DIE_START_MODE 2 server should only start

You should also enable telnet and modify the SEVEN_DAYS_TO_DIE_TELNET_PORT and SEVEN_DAYS_TO_DIE_TELNET_PASSWORD environment variables accordingly, so the container can properly send the shutdown command to the server when the proper signal has been received (it uses telnet for this).

SEVEN_DAYS_TO_DIE_UPDATE_CHECKING is "0" Fully automatic updates(default = disabled). Once a server update hits Steam, it'll restart the server and trigger the automatic update. You can enable this by setting SEVEN_DAYS_TO_DIE_UPDATE_CHECKING to "1".
You can also use a different branch via environment variables. For example, to install the latest experimental version, you would simply set SEVEN_DAYS_TO_DIE_BRANCH to latest_experimental (this is set to public by default).

If using Docker for Windows and the File System passthrough option, make sure to add the git repo drive letter as a shared drive through the Docker GUI.

License

See LICENSE

NOTES:

  • Telnet password seems to fail if other than alphanumeric (a-A, z-Z, 0-9)
  • Run docker-compose config to check if you properly set things up in docker-compose file