Cannot shutdown container if replication is not active

[carlomion]

Describe the bug Cannot stop the container gracefully if the replication process is not started

To Reproduce Steps to reproduce the behavior:

• docker run -it -e PBF_URL=https://download.geofabrik.de/europe/monaco-latest.osm.pbf mediagis/nominatim:4.4
  ...
  ...usual nominatim startup logs...
  ...

• CTRL+C
• Container does not stop, prints an infinite loop of:

  +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ service apache2 stop
  * Stopping Apache httpd web server apache2                                                                                                                                         
  *
  +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ service postgresql stop
  * Stopping PostgreSQL 14 database server                                                                                                                                    [ OK ] 
  +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ kill 0
  ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ stopServices
  ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ service apache2 stop
  * Stopping Apache httpd web server apache2        

Expected behavior The container shutdowns correctly.

Desktop / Server (please complete the following information):

• OS & Version: Ubuntu 22.04
• Docker Version: 24.0.2
• Nominatim Version: 4.4