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#!/bin/bash
# do we have a username and password?
if [ "$STEAM_USERNAME" = "anonymous" ]; then
echo "Using anonymous login. No password needed."
STEAM_PASSWORD=""
elif [ -z "$STEAM_USERNAME" ] || [ -z "$STEAM_PASSWORD" ]; then
echo "Please set STEAM_USERNAME and STEAM_PASSWORD environment variables."
echo "If you want to use anonymous login, set STEAM_USERNAME to 'anonymous' and leave STEAM_PASSWORD empty."
exit 1
fi
# install game server via steamcmd
steamcmd +login "$STEAM_USERNAME" "$STEAM_PASSWORD" +force_install_dir /app +app_update 3930080 validate +quit
# apply overlay if it exists
if [ -d "/overlay" ]; then
echo "Applying overlay from /overlay to /app"
cp -r /overlay/* /app/
fi
# handle configuration file changes via environment variables
CONFIG_FIELDS=(
"ServerName"
"MaxPlayers"
"Password"
)
CONFIG_PATH="/app/DedicatedServerConfig.json"
for FIELD in "${CONFIG_FIELDS[@]}"; do
ENV_VAR="CONFIG_${FIELD^^}"
if [ -n "${!ENV_VAR}" ]; then
echo "Setting $FIELD to ${!ENV_VAR} in config file."
jq --arg value "${!ENV_VAR}" ".${FIELD} = \$value" "$CONFIG_PATH" > tmp.$$.json && mv tmp.$$.json "$CONFIG_PATH"
fi
done
# run the server
sh /app/RunServer.sh
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