docker: add GID

Author: toresbe

Dockerfile

@@ -34,6 +34,8 @@ COPY --from=builder --chown=app:app /app .
 # Place executables in the environment at the front of the path
 ENV PATH="/app/.venv/bin:$PATH"
 
-USER 1000
+# todo: check if this makes a difference
+# 4203 is the group id of the media encoder on file01.
+USER 1000:4203
 
 CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]