Welcome to Necesse – Dedicated Server in Docker Config Guide.

A very basic essential dedicated server that boots up automatically and updates itself with or without Docker mods

This guide contains scripts such as:

• Dockerfile
• Building
• Testing
• Run a Server with No/Self Managed Mods
• Run a Server with Mods

Dockerfile

######## Auto Updating Necesse Server ########
FROM openjdk:latest
ENV USER necesse
ENV HOME /home/necesse
WORKDIR $HOME
COPY --from=steamcmd/steamcmd:latest /usr/lib/games/steam /usr/lib/games/steam
COPY --from=steamcmd/steamcmd:latest /usr/bin/steamcmd /usr/bin/steamcmd
COPY --from=steamcmd/steamcmd:latest /etc/ssl/certs /etc/ssl/certs
COPY --from=steamcmd/steamcmd:latest /lib /lib
RUN mkdir necesse
RUN printf '#!/bin/bash \n\
steamcmd +login anonymous +force_install_dir ${HOME}/necesse +app_update 1169370 validate +quit \n\
i=1 \n\
variable="MOD_$i" \n\
value=${!variable} \n\
if test ! -z "$value"; then \n\
 mkdir -p .config/Necesse/mods \n\
 rm .config/Necesse/mods/* \n\
fi \n\
while test ! -z "$value"; do \n\
 steamcmd +login "$STEAM_USER" "$STEAM_PASSWORD" +force_install_dir $HOME +workshop_download_item 1169040 $value +quit \n\
 i=$((i+1)) \n\
 variable="MOD_$i" \n\
 value=${!variable} \n\
 mv steamapps/workshop/content/**/**/*.jar .config/Necesse/mods \n\
done \n\
java -jar ${HOME}/necesse/Server.jar -nogui [email protected] \n\
' >> entrypoint
RUN chmod +x entrypoint
# If you wish a cold start container, comment the next Line in
RUN steamcmd +login anonymous +force_install_dir ${HOME}/necesse +app_update 1169370 validate +quit
ENTRYPOINT ["./entrypoint"]
EXPOSE 14159

 

Building

docker build . -t necesse-server

 

Testing

Just test it with interactive mode:

docker run -it necesse-server 

But it makes more sense to run it as a demon, you also can use all the default start parameters:

docker run -d necesse-server -world mynewworld

 

Run a Server with No/Self Managed Mods

docker run -d --mount type=bind,source=</a/directory/on/your/harddrive>,target=/home/necesse/.config/Necesse/ -p 14159:14159 necesse-server -world <worldname>

in a docker-compose.yml it would look something like this:

version: '3.7'
services:
 necesse-server:
 restart: unless-stopped 
 build: .
 ports:
 - "14159:14159"
 volumes:
 - type: bind
 source: /srv/docker/necesse-config/
 target: /home/necesse/.config/Necesse/
 command: ["-world", "myworldname"]

 

Run a Server with Mods

You must give steam credentials for an account that owns the game and is not steam guard protected in order to host an automated mod server because you can only download mods from the Steam workshop if you also own the game.

For this example, the pa*sword is plaintext even though you should provide it with a docker secret.

docker run -d --env STEAM_USER=<ASteamAccountWhichOwnsNecesse> --env STEAM_PASSWORD=<SteamPa*sword> --env MOD_1=<modId> --env MOD_2=<modId> --mount type=bind,source=</a/directory/on/your/harddrive>,target=/home/necesse/.config/Necesse/ necesse-server -world <worldname>

in a docker-compose.yml:

version: '3.7'
services:
 necesse-server:
 restart: unless-stopped 
 build: .
 ports:
 - "14159:14159"
 volumes:
 - type: bind
 source: /srv/docker/necesse-config/
 target: /home/necesse/.config/Necesse/
 command: ["-world", "myworldname"]
 environment:
 STEAM_USER: ASteamAccountWhichOwnsNecesse
 STEAM_PASSWORD: SteamPa*sword
 MOD_1: 2833909781 # Better Enchantment Mod

 

This is all about Necesse – Dedicated Server in Docker Config; I hope you enjoy reading the Guide! If you feel like we should add more information or we forget/mistake, please let us know via commenting below, and thanks! See you soon!