Refactor production setup and database management

- Updated Dockerfile for production to ensure proper database permissions and improved startup script.
- Removed outdated PRODUCTION_README.md and consolidated relevant information into other documentation.
- Enhanced deploy.sh script to fix database permissions and streamline deployment process.
- Modified docker-compose configuration to use a dedicated production file and adjusted port mappings.
- Removed legacy docker-compose.yml file to avoid confusion.
- Improved session management by refining secure cookie settings based on environment variables.
- Deleted obsolete Nginx configuration and old seed scripts to clean up the project structure.
- Updated database setup scripts to reflect new structure and removed old seed data scripts.
- Adjusted reset-db script to use environment variable for database path.
- Enhanced setup-database script to provide dynamic admin credentials in the summary.
- Removed unnecessary backup file for SQLite database.

Dockerfile.production

@@ -54,14 +54,21 @@ COPY --chown=nextjs:nodejs <<EOF /app/start.sh
 #!/bin/sh
 set -e
 echo "🚀 Starting TT Booking Production..."
+
+# Ensure database directory has proper permissions
+if [ -d "/app/data" ]; then
+    echo "📁 Setting database permissions..."
+    chmod -R 755 /app/data /app/backups /app/logs 2>/dev/null || true
+    if [ -f "/app/data/sqlite.db" ]; then
+        chmod 644 /app/data/sqlite.db 2>/dev/null || true
+    fi
+fi
+
 echo "🌟 Starting server..."
 exec node server.js
 EOF
 
 RUN chmod +x /app/start.sh
-
-USER nextjs
-
 EXPOSE 3000
 
 ENV PORT=3000