feat(server): env variable to skip migrations on startup (#9069)

* env variable to skip migrations

* update docs

* update env doc

server/src/services/database.service.ts

@@ -49,7 +49,9 @@ export class DatabaseService {
         throw error;
       }
 
-      await this.databaseRepository.runMigrations();
+      if (process.env.DB_SKIP_MIGRATIONS !== 'true') {
+        await this.databaseRepository.runMigrations();
+      }
     });
   }