dockerfile & compose.yml for running a l4d2 server on arm64

compose.yml

services:
  server:
    build: .
    command: ./game/srcds_run -nowatchdog +sv_password meow
    volumes:
      - ./cfg:/home/steam/steamcmd/game/left4dead2/cfg
    ports:
      - "27015:27015/udp"
      - "27015:27015/tcp"

Dockerfile

FROM ghcr.io/sonroyaalmerol/steamcmd-arm64
RUN ./steamcmd.sh +force_install_dir ./game +@sSteamCmdForcePlatformType windows +login anonymous +app_update 222860 validate +quit
RUN ./steamcmd.sh +force_install_dir ./game +@sSteamCmdForcePlatformType linux +login anonymous +app_update 222860 validate +quit
RUN sed -i -e 's/HL_CMD="$HL/HL_CMD="box86 $HL/' ./game/srcds_run
ENTRYPOINT ["./game/srcds_run"]