- Define `digital-human-net` bridge network for all services to use
internal DNS
- Map `DH_PORT` environment variable to the Digital Human service host
port
- Enable Redis container networking by default without exposing host
ports
- Introduce `docker-compose.redis-expose.yml` for optional Redis host
exposure
- Add `REDIS_EXPOSE_PORT` environment variable for controlling Redis
exposure
- Document Redis internal usage and exposure configuration in README
- Add `.gitignore` to exclude Python cache, venv, build artifacts, and
logs
- Update `.env.example` with new variables and remove Redis host/port
defaults
- Update README with port customization, Redis documentation, and file
tree
