Cup vs What's Up Docker
A side-by-side comparison of two self-hosted automation & workflows options — licensing, setup difficulty, resource needs, and what each one replaces.
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Cup
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What's Up Docker
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| Feature | Cup | What's Up Docker |
|---|---|---|
| Category | Automation & Workflows | Automation & Workflows |
| License | MIT | MIT |
| Language | Rust | TypeScript |
| Setup difficulty | Easy | Easy |
| Min. RAM | 64 MB | 256 MB |
| Deployment | docker, binary | docker |
| GitHub stars | ★ 1,337 | ★ 3,707 |
| First released | 2024 | 2020 |
| Replaces | Watchtower | Watchtower |
Why pick each one
Choose Cup if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Active community (1.3k GitHub stars)
Choose What's Up Docker if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Active community (3.7k GitHub stars)
Frequently asked questions
Is Cup or What's Up Docker better?
Neither is universally better. What's Up Docker has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Cup and What's Up Docker free and open-source?
Yes. Cup is licensed under MIT and What's Up Docker under MIT. Both can be self-hosted at no software cost.
Can I run Cup and What's Up Docker with Docker?
Cup: yes. What's Up Docker: yes.