- Implemented `docker-entrypoint-debug.sh` for debugging purposes, including environment checks and database setup.
- Created `docker-entrypoint-simple.sh` for a streamlined entrypoint without debug information.
- Developed `docker-entrypoint.sh` with additional checks for directory structure and environment validation.
- Added `migrate_sqlite_to_postgresql.py` script for migrating data from SQLite to PostgreSQL, including backup and verification features.
- Created SQL scripts for initializing the PostgreSQL database, including extensions, indexes, and default data.
- Enhanced database setup procedures to support both PostgreSQL and SQLite configurations.