expose port in dockerfile (#743)

### Description

Please explain the changes you made here.

### Checklist

- [ ] Created tests which fail without the change (if possible)
- [ ] All tests passing
- [ ] Extended the documentation, if necessary

Author: Rotheem

Dockerfile

@@ -5,6 +5,7 @@ FROM ${DOCKER_REGISTRY_IDENTIFER}/hyperion-base:${REQUIREMENTS_MD5}
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV PYTHONUNBUFFERED=1
 ENV UV_COMPILE_BYTECODE=1
+EXPOSE 8000
 
 WORKDIR /hyperion