feat: PM2 + Docker deployment config (MySQL container, PM2 for backend+frontend proxy)

apps/server/src/app.module.ts

@@ -108,7 +108,7 @@ import { CampusScopeMiddleware } from './common/campus-scope.middleware';
             password: config.get('DB_PASSWORD', ''),
             database: config.get('DB_DATABASE', 'dorm_billing'),
             entities: allEntities,
-            synchronize: true,
+            synchronize: config.get('DB_SYNCHRONIZE', 'true') !== 'false',
             charset: 'utf8mb4',
           };
         }
@@ -116,7 +116,7 @@ import { CampusScopeMiddleware } from './common/campus-scope.middleware';
           type: 'better-sqlite3' as const,
           database: config.get('DB_DATABASE', 'dorm_billing.db'),
           entities: allEntities,
-          synchronize: true,
+          synchronize: config.get('DB_SYNCHRONIZE', 'true') !== 'false',
         };
       },
     }),