fix: Add Docker entrypoint script with gosu to manage volume permissions and drop user privileges.

entrypoint.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+# Entrypoint script for XtremFlow
+# Fixes permissions on mounted volumes before starting the server
+
+set -e
+
+# Fix ownership of data directory (runs as root initially)
+echo "Fixing permissions on /app/data..."
+chown -R xtremuser:xtremuser /app/data 2>/dev/null || true
+
+# Create subdirectories if they don't exist
+mkdir -p /app/data/logs /app/data/tmp
+chown -R xtremuser:xtremuser /app/data/logs /app/data/tmp 2>/dev/null || true
+
+# Drop privileges and run the server as xtremuser
+echo "Starting server as xtremuser..."
+exec gosu xtremuser "$@"