add docker specifics

docker/acc-server/entrypoint.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+set -e
+
+Xvfb :99 -screen 0 1024x768x16 &
+XVFB_PID=$!
+
+cleanup() {
+    echo "Stopping ACC server..."
+    kill $XVFB_PID 2>/dev/null || true
+}
+trap cleanup SIGTERM SIGINT
+
+echo "Starting ACC server on port ${SERVER_PORT}..."
+
+exec wine /acc/game/server/accServer.exe \
+    -serverCfgPath /acc/cfg \
+    -port "${SERVER_PORT}"