Docker Client looses connection

My backup client disconnects and only reconnects after restarting the container. Is there something like exponential back off implemented? Or does it try to reconnect after connection is lost once? Mine will just never try again until I restart it, when the server is unreachable. (for whatever reason, should be online but maybe my network just breaks sometimes)

Thanks for your help!

docker-compose.yml

services:
  urbackup:
    build: .
    container_name: urbackup-client
    network_mode: host
    environment:
      - TZ=Europe/Vienna
      - URBACKUP_SERVER_NAME=urbackup
      - URBACKUP_CLIENT_NAME=client-name
      - URBACKUP_CLIENT_AUTHKEY=authkey
      - PUID=1000
      - PGID=1000
    volumes:
      - backup-vol:/backup:ro
      - ./postfilebackup:/usr/local/etc/urbackup/postfilebackup
      - ./data:/usr/local/var/urbackup/data/

compose logs

urbackup-client  | 2026-07-25T04:09:43.538746711Z 2026-07-25 06:09:43: Connecting to server urbackup://urbackup:55415 failed. Retrying in 30s...
urbackup-client  | 2026-07-25T04:10:13.567955960Z 2026-07-25 06:10:13: Connecting to server urbackup://urbackup:55415 failed. Retrying in 30s...
urbackup-client  | 2026-07-25T04:10:43.593954191Z 2026-07-25 06:10:43: Connecting to server urbackup://urbackup:55415 failed. Retrying in 30s...
urbackup-client  | 2026-07-25T04:11:13.625892641Z 2026-07-25 06:11:13: Connecting to server urbackup://urbackup:55415 failed. Retrying in 30s...
urbackup-client  | 2026-07-25T04:11:43.654378765Z 2026-07-25 06:11:43: Connecting to server urbackup://urbackup:55415 failed. Retrying in 30s...
urbackup-client  | 2026-07-25T04:12:13.683430828Z 2026-07-25 06:12:13: Connecting to server urbackup://urbackup:55415 failed. Retrying in 30s...
urbackup-client  | 2026-07-25T04:12:43.711507244Z 2026-07-25 06:12:43: Connecting to server urbackup://urbackup:55415 failed. Retrying in 30s...
urbackup-client  | 2026-07-25T04:13:13.738107382Z 2026-07-25 06:13:13: Connecting to server urbackup://urbackup:55415 failed. Retrying in 30s...
urbackup-client  | 2026-07-25T04:13:43.764766125Z 2026-07-25 06:13:43: Connecting to server urbackup://urbackup:55415 failed. Retrying in 30s...
urbackup-client  | 2026-07-25T04:14:13.793628727Z 2026-07-25 06:14:13: Connecting to server urbackup://urbackup:55415 failed

It retries to connect 10 times every 30s. Then it might be waiting 5min before retrying to connect