[Blocker] fix: change Nginx port from 80 to 8888

## GitHub Update **Repository:** [MKWcorp/drwacademy-lms](https://github.com/MKWcorp/drwacademy-lms) **Author:** M K Wiro **Date:** 9/11/2025, 12:41:48 PM **Commit:** [`c861c67`](https://github.com/MKWcorp/drwacademy-lms/commit/c861c674e3ec64c84c6dc49bb5fb99aaec702b9b) ### Commit Message fix: change Nginx port from 80 to 8888 - Avoid port conflict with existing services - Use port 8888 for consistency with previous setup --- _This story was imported from historical commits._