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Docker

The docker trigger automatically restarts or recreates local containers when updated images are available.

⚙️ Configuration Variables​

WUD_TRIGGER_DOCKER_{trigger_name}_DRYRUN
Optionalbooleandefault: false

When enabled, only pulls the new image ahead of time without recreating the container

WUD_TRIGGER_DOCKER_{trigger_name}_PRUNE
Optionalbooleandefault: false

Prune obsolete image versions after a successful upgrade

info

This trigger also supports all common trigger configuration options (such as thresholds, scheduling, and batching).

🚀 Examples​

Auto-Update Standalone Containers with Pruning​

services:
  whatsupdocker:
    image: getwud/wud
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    environment:
      - WUD_TRIGGER_DOCKER_LOCAL_PRUNE=true