ark.sh

#!/usr/bin/env bash

ARK_DATA_FOLDER="/data/ark/Steam/steamapps/common/ARK Survival Evolved Dedicated Server/ShooterGame"

cd /data/ark

if [ "${CMDARGS}" == "default" ]; then
    CMDARGS="?MapPlayerLocation=True?AllowThirdPersonPlayer=True"
fi


if [ ${RCON} == "true" ]; then
	CMDARGS="${CMDARGS}?RCONEnabled=True?RCONPort=32330"
fi


# Get steamcmd
if [ ! -f steamcmd_linux.tar.gz ]; then
        echo -e "Grabbing SteamCMD...\n"
        wget -q https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz
        tar -xf steamcmd_linux.tar.gz
fi

set -x
# Backup before updating just to be safe
if [ -d ${ARK_DATA_FOLDER}/ShooterGame/Saved ]; then
        echo -e "Backing up Saved folder...\n"
	if [ ! -d /data/ark/backup/ ]; then
		mkdir /data/ark/backup/
	fi
	tar czf /data/ark/backup/Saved-startup_$(date +%Y-%m-%d_%H-%M).tar.gz ${ARK_DATA_FOLDER}/ShooterGame/Saved
fi
set +x

# Update / install server
echo -e "Updating ARK...\n"
./steamcmd.sh +login anonymous +force_install_dir /data/ark/ +app_update 376030 ${ARKVALIDATE} +quit


# Start ARK - using the SteamCMD path
export LD_LIBRARY_PATH="/data/ark/"
echo -e "Launching ARK Dedicated Server...\n"
"${ARK_DATA_FOLDER}/Binaries/Linux/ShooterGameServer" TheIsland?listen${CMDARGS} -server -log

Dockerfile

FROM ubuntu:latest

MAINTAINER Charles Butler "chuck@dasroot.co"

# Starting steam with validate is slow, lets make it an option
ENV CHECKFILES "false"
# Variable to enable RCON, enabled by default
ENV RCON "true"
ENV CMDARGS "default"

ENV DEBIAN_FRONTEND noninteractive

RUN apt-get update \
    && apt-get -y install lib32gcc1 wget \
    && rm -rf /var/lib/apt/lists/* \
    && apt-get clean \
    && mkdir -p /data/ark/backup \
    && useradd -d /data/ark -s /bin/bash --uid 1000 ark \
    && chown -R ark: /data/ark

EXPOSE 27015/udp 7778/udp
EXPOSE 32330/tcp

ADD ark.sh /usr/local/bin/ark

USER ark
VOLUME /data/ark
WORKDIR /data/ark
CMD ["ark"]