DayZServer/docker-compose.yml

services:
  server:
    build:
      context: .
      dockerfile_inline: |
        FROM steamcmd/steamcmd:ubuntu-18
        ENV DEBIAN_FRONTEND=noninteractive
        RUN apt-get update && \
          apt-get install -y libcap-dev rsync && \
          rm -rf /var/lib/apt/lists/*
        RUN addgroup --gid 1000 admin && \
            adduser --no-create-home --uid 1000 --gid 1000 admin 
        ENV SERVER_DIR=/server
        RUN mkdir -p $${SERVER_DIR}
        RUN chown -R admin:admin /root/
        USER admin
        RUN steamcmd +quit

    ports:
      - "2306-2309:2306-2309/udp"
      - "27017:27017/udp"
  
    volumes:
      - steam_persist:/root/.steam/
      - ./server:/server
      - ./scripts:/scripts:ro

    user: "1000:1000"
    env_file: ".env"
    entrypoint: ["/bin/sh", "-c"]

    command:
      - |
        set -e
        cd "$${SERVER_DIR}/"

        echo "Updating DayZ Server..."
        steamcmd \
          +force_install_dir "$${SERVER_DIR}" \
          +login "$${STEAM_CMD_USER}" "$${STEAM_CMD_PASSWORD}" \
          +app_update 223350 \
          +quit

        echo "Installing mods..."
        /scripts/install_mods.sh "$${MOD_IDS}" "$${SERVER_DIR}"

        echo "Copying keys..."
        /scripts/install_keys.sh "$${SERVER_DIR}" "$${SERVER_DIR}/keys"

        echo "Starting server..."
        ./DayZServer \
          -config="$${SERVER_DIR}/serverDZ.cfg" \
          -mod="$${MOD_IDS}" \
          -port=2306 \
          -steamQueryPort=27017 \
          -profiles="$${SERVER_DIR}/profiles"

volumes:
  # Persistent steam folder to skip 2FA after first login and preserve downloaded content
  steam_persist: {}