Dockerfile

FROM debian:stretch
LABEL maintainer="nucrap@hotmail.de"

# Install Dependencies, clean cache, install locale to prevent errors and create new home directory
# While srcds_run uses bash specific extensions, it is stupidly configured to run from /bin/sh. That's why /bin/sh is recommended to point to bash at this point.
RUN apt-get update && apt-get install --no-install-recommends -y \
        lib32stdc++6 \
        lib32gcc1 \
        ca-certificates \
        locales \
        && rm -rf /var/lib/apt/lists/* \
        && sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen \
        && locale-gen \
 #       && ln -sf bash /bin/sh \
        && useradd -m steam

USER steam

# Install SteamCMD
RUN mkdir /home/steam/steamcmd
WORKDIR /home/steam/steamcmd
ADD --chown=steam https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz steamcmd_linux.tar.gz
USER root
RUN chown -R steam:steam steamcmd_linux.tar.gz
USER steam
RUN tar -zxf steamcmd_linux.tar.gz && rm steamcmd_linux.tar.gz

# Install CSGO
# NOTE: steamcmd REQUIRES an absolute path
RUN ./steamcmd.sh +login anonymous +force_install_dir /home/steam/csgo-dedicated +app_update 740 validate +quit

# Fix for missing library
RUN mkdir /home/steam/.steam/sdk32 \
    && ln -s /home/steam/steamcmd/linux32/steamclient.so /home/steam/.steam/sdk32/steamclient.so

# Create convinient environment variables
ENV IP=0.0.0.0 \
    PORT=27015 \
    TV_PORT=27020 \
    REGION=3 \
    TICKRATE=128 \
    FPSMAX=300 \
    MAXPLAYERS=14 \
    TOKEN=changeme \
    HOSTNAME=changeme \
    RCON_PW=changeme \
    SV_PW=changeme \
    MAPGROUP=mg_active \
    GAME_TYPE=0 \
    GAME_MODE=1 \
    MAP=de_dust2

WORKDIR /home/steam/csgo-dedicated

# Start server
ENTRYPOINT LD_LIBRARY_PATH=/home/steam/csgo-dedicated/bin:/home/steam/csgo-dedicated \
           ./srcds_linux \
            -game csgo \
            -autoupdate \
            -console \
            -usercon \
            -port $PORT \
            +ip $IP \
            -tv_port $TV_PORT \
            +sv_region $REGION \
            -tickrate $TICKRATE \
            +fps_max $FPSMAX \
            -maxplayers_override $MAXPLAYERS \
            +sv_setsteamaccount $TOKEN \
            +hostname $HOSTNAME \
            +rcon_password $RCON_PW \
            +sv_password $SV_PW \
            +mapgroup $MAPGROUP \
            +game_type $GAME_TYPE \
            +game_mode $GAME_MODE \
            +map $MAP