This project provides a container image for the BeamMP game server and shows its usage in a docker compose environment.

Motivation

Because there were no well-documented BeamMP server container images out there, I did one by myself.

Usage

The sections below provides use cases for docker and docker compose.

docker

Quick start:

docker run --name beammp-server \
           -p 30814:30814/tcp -p 30814:30814/udp \
           -e BEAMMP_NAME='My first awesome Server' \
           -e BEAMMP_AUTH_KEY='<insert auth-key>' \
           rouhim/beammp-server

If you want to interact with the server console, just add the -it flag to the docker run command.

docker compose

First clone this repository and check docker-compose.yml if interested. The configuration should be done within the .env file.

To get started copy .env.example to .env and create the mod folder.

cp .env.example .env 
mkdir client-mods/ server-mods/
chmod 777 client-mods/ server-mods/

The chmod command is recommended to avoid permission issues. The main reason is, that the user in the container, most likely differs from the user on the host.

Adjust the values in the .env to your needs and run:

docker compose pull && docker compose up -d

Server interaction

To connect to the interactive game server console, you need to start the server in detached (docker / -compose -d flag) mode. Then run the following command to attach to the server console:

docker attach <container-name>

Environment parameter

Variable name	description	default value
BEAMMP_AUTH_KEY	Mandatory! The authentication key used by the server. It is used to identify your server and is not optional.
BEAMMP_DEBUG	Set to true to enable debug output in the console.	false
BEAMMP_PRIVATE	Set to true if you don't want to show up in the Server Browser.	true
BEAMMP_MAX_CARS	How many vehicles a player is allowed to have at the same time.	1
BEAMMP_MAX_PLAYERS	How many players your server can hold at a time.	10
BEAMMP_MAP	What the server map is.	/levels/gridmap_v2/info.json
BEAMMP_NAME	What your server is called. This shows up in the Server Browser.	BeamMP New Server
BEAMMP_DESCRIPTION	What shows under the name when you click on the server.	BeamMP Default Description
BEAMMP_PORT	This value must be identical to the containers exposed port.	30814
TZ	Set the timezone for the container.	Utc

A new auth key can be claimed on this site, you will need a Discord account for this. Note that the IP entered there does not matter, despite what the site claims. For more information refer to this wiki page.

Client mods

In the first place you should consider reading the official mods guide. Mods can be downloaded from the official BeamNG resources website. Just copy the downloaded zip file into the client-mods folder.

Custom maps

Copy the downloaded zip file into the client-mods folder.

Then have to find out the custom map path name (e.g.: /levels/car_jump_arena/info.json), to set it later as the map to load. To do so:

1. Execute the shell command below, or open the zip file manually.
2. Copy the absolute path to the info.json location (/levels/{map-name}/info.json).
3. Set in .env file: BEAMMP_MAP=/levels/{map-name}/info.json. Example: BEAMMP_MAP=/levels/car_jump_arena/info.json

A simple way to print the full map path including info.json (unzip, grep and awk is required):

unzip -l PATH/TO/MAP.zip \
  | grep 'levels/.*/info.json' \
  | awk '{split($0,a," "); print "/"a[4]}'

Automatic updates

If you want to update the mods automatically, you can use a little tool I wrote called beammp-server-beiwagen which aims to provide an easy way to update the mods in the client-mods folder.

Server mods

Server mods can be found in the BeamMP forum. Installation and configuration instructions are provided by each mod.

Custom ServerConfig.toml

If you want to specify a custom ServerConfig.toml file, just create a new file called ServerConfig.toml and fill it with your configuration (Example). Make sure to mount the file as volume to the container. The file will be mounted to the server directory on startup.

Docker example:

docker run --name beammp-server \
           -p 30814:30814/tcp -p 30814:30814/udp \
           -e BEAMMP_NAME='My first awesome Server' \
           -e BEAMMP_AUTH_KEY='<insert auth-key>' \
           -v ./ServerConfig.toml:/beammp/ServerConfig.toml \
           rouhim/beammp-server

For docker compose, just add the following line to the volumes section:

volumes:
  - ./ServerConfig.toml:/beammp/ServerConfig.toml

Environment variables will always override the values in the ServerConfig.toml file.

Make sure to create the file first, otherwise docker will create a directory instead.

If you are getting permission errors, you can fix them with: chmod 777 ServerConfig.toml

Resources

• BeamMP server repository: https://github.com/BeamMP/BeamMP-Server
• Official server maintenance guide: https://wiki.beammp.com/en/home/server-maintenance
• Official server installation guide: https://wiki.beammp.com/en/home/server-installation
• Inspired by: https://github.com/mastamic-ian/BeamMP_docker
• Built from: https://github.com/RouHim/beammp-container-image
• Built to: https://hub.docker.com/r/rouhim/beammp-server