Fix container memory issues and server startup

- Added ulimits for memlock (required for Source engine)
- Increased memory limits to 8GB
- Added stdin_open and tty for proper console
- Added -disableluarefresh flag
- Use exec for proper signal handling

scripts/docker-entrypoint.sh

@@ -179,9 +179,9 @@ cleanup() {
 }
 trap cleanup SIGTERM SIGINT
 
-# Start the server
-./srcds_run $ARGS &
-SERVER_PID=$!
+# Add -disableluarefresh to prevent lua refresh issues
+# Add -norestart to prevent auto-restart loop issues in Docker
+ARGS="$ARGS -disableluarefresh"
 
-# Wait for the server process
-wait $SERVER_PID
+# Start the server (using exec to replace shell process)
+exec ./srcds_run $ARGS