This docker image contains the latest version of the ddclient (the fork on GitHub, not the original SourceForge hosted project) compliant with the HomeCenter docker images standard (S6 overlay, privilege drop etc. The image is as minimal as possible, but contains all Perl dependencies required for ddclient.

version: "3.7"
services:
  ddclient:
    build: .
    image: homecentr/ddclient
    environment:
      CRON_SCHEDULE: "* * * * *"
      DDCLIENT_ARGS: "-verbose -debug"
    volumes:
      - ./example/ddclient.conf:/config/ddclient.conf

When debugging the config (ddclient unfortunately doesn't have much of config validation, so it's trial and error...), use the -verbose -debug command line args to dump the state and HTTP requests to output.

This container does not expose any ports.

The container is regularly scanned for vulnerabilities and updated. Further info can be found in the Security tab.

The container supports privilege drop. Even though the container starts as root, it will use the permissions only to perform the initial set up. The ddclient process runs as UID/GID provided in the PUID and PGID environment variables.

⚠️ Do not change the container user directly using the user Docker compose property or using the --user argument. This would break the privilege drop logic.