Introduction
WUD (aka What's up Docker?)
Keep your containers up to date!
Overview
- WATCHERS scan Docker hosts to discover containers to monitor.
- REGISTRIES query remote Docker registries to find candidate updates.
- TRIGGERS execute actions when updates are available.
Supported triggers
A wide range of triggers are supported:
- Notifications: Send alerts via email, mobile push notifications, chat services, and more.
- Container updates: Automatically update containers (Docker, Docker Compose, Nomad...).
- Custom automation: Trigger arbitrary actions via scripts, HTTP webhooks, message queues (MQTT, Kafka), and more.
Supported registries
Many container registries are supported out of the box:
- Azure Container Registry
- AWS Elastic Container Registry
- Google Container Registry
- GitHub Container Registry
- Docker Hub (public & private repositories)
- ...
UI / API
A web UI provides container insights and allows you to manually run triggers.

Integrations
WUD is designed to integrate seamlessly with your favorite tools:
Ready to go?
Contact & Support
- Create a GitHub issue for bug reports, feature requests, or questions.
- Star the project ⭐ on GitHub or Buy me a coffee to support ongoing development!
License
This project is licensed under the MIT license.