/docker-terraria

A dockerized vanilla Terraria server

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Dockerized Vanilla Terraria Server

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Instructions

Set up two folders, one should be mounted to /world and contain your world files. The other should be mounted to /config and contain a single file: serverconfig.txt. This file is your server config file as described here. In your config file, make sure worldpath=/world and world=/world/<worldname>.wld. If you do not already have a world, you can use the autocreate option to make the server create the world. If you do not have a serverconfig.txt file, the container will create one for you that autocreates a medium world called "Terraria."

For security, you should set up a dedicated user and group for Terraria. Grant permissions on the two folders to that user/group, and record the uid/gid.

Run the container via the CLI with: docker run -itd --name=terraria -e PUID=<PROCESS UID> -e PGID=<PROCESS GID> -p 7777:7777 -v <PATH TO WORLDS>:/world -v <PATH TO CONFIG>:/config kaysond/docker-terraria Replacing the items in <>. For paths, I use /var/lib/terraria/world and /var/lib/terraria/config.

You can also use the following docker-compose.yml file, and run with docker-compose up -d.

services:
  terraria:
    container_name: terraria
    image: kaysond/docker-terraria
    environment:
      PUID: "<PROCESS UID>"
      PGID: "<PROCESS GID>"
    restart: always
    stdin_open: true
    tty: true
    ports:
      - 7777:7777
    volumes:
      - <PATH TO WORLDS>:/world
      - <PATH TO CONFIG>:/config

If you want to use the interactive console, you can re-attach to the container via docker attach terraria.

Sample serverconfig.txt

world=/world/World.wld # Do not change this unless you have a world file that has already been created
autocreate=2 # Auto create a medium size world if /world/World.wld doesn't exist
worldpath=/world # Auto create will save the world file to <worldpath>/World.wld
worldname=Terraria
difficulty=0 # Sets the difficulty of the map ; 0=Normal ; 1=Expert ; 2=Master ; 3=Jorney