Name: From Containers to Models & Demystifying Dependency Injection
Start: 2025-05-22T16:00:00.000Z
Location: OpenValue Düsseldorf

***Three unique stories about how to make your teams happy & effective***

(sorry devs, not too technical this time, but maybe still worthwile. Also mind you, this event is in Hilversum)

Agile is generally accepted as the working method for software development. The results however vary. Frequently development teams struggle for satisfying progress.

There are methods that help to overcome this!

Imagine, celebrating full completions of every sprint;
Imagine, developers proudly presenting their work at the sprint demo;
Imagine, your customer always being delighted with the progress.
Too good to be true? Discover our stories:

* First talk is by **Roy Wasse** from **OpenValue**. He will be outlining how NPR 5333 provides means to objectively measure agile team output
* Second talk is from **Loes Kersten** from **FIT Product Owner Company.** Her talk is about bringing back the happiness; the Product Owner as a Chief Happiness Officer
* **Arnold Pouls** from Twycis co-authored a book called 'The Happiness Machine' which he applied in practice and will share about in his talk:
**Happiness in IT; lessons from the real life**

We will conclude with a panel discussion!

**When and where?**
Thursday, May 8th, Twycis **Theater**, Noorderweg 2, 1221AA **Hilversum**
*(Conveniently located next to Hilversum central station)*
Reception: 3:30 PM \| Start: 4:00 PM \| Drinks & Networking 5:30 \- 7:00 PM

OpenValue Utrecht

Roy Wasse

Bert Jan Schrijver

Mini symposium: Happy & Effective development teams

Theater Santberen (Twycis Theater)

**Dear Java Community,**

**After the meetup is before the meetup!**

We’re excited to invite you to the next **OpenValue Meetup** on **May 22nd** in Düsseldorf!

Once again, we've put together an evening of **high-quality tech talks**, food, drinks, and great conversations. This time, we’re diving into two exciting topics—**AI with Docker** and **Dependency Injection in modern Java development**.

Join us at our office at **Am Wehrhahn 41, 40211 Düsseldorf**, and connect with fellow developers who share a passion for software craftsmanship and continuous learning.
We’ll take care of **refreshing drinks and tasty food**—you just bring your curiosity and questions!
👉 **Please RSVP to confirm your attendance.**

***

### 🗓️ **Agenda**

* **18:00** – Doors open / Walk-in
* **18:30** – First Talk
* **19:15** – Break
* **19:30** – Second Talk
* **20:15** – Drinks & Discussions

***

### 🎤 **Talks**

#### **From Containers to Models: Docker’s AI Evolution with Model Runner and the Docker Model format**

**by Kevin Wittek**
The current AI wave has taken the industry by storm—and often, it’s easier to ride it than to stand against it. While container technology, especially Docker, has long played a role in AI development, it often felt like an awkward fit. The pieces were there, but assembling them required significant effort.
Building on the work of the open source community, we’ve now integrated powerful inference engines like llama.cpp directly into Docker tooling, including Docker Desktop and Docker CE. To further streamline AI workflows, we’re introducing the "Models as OCI Artifacts Specification"—a new subset of the OCI Artifact format, purpose-built for distributing LLM artifacts. And of course everything done as OSS ourselves.
In this session, you’ll learn how to leverage these new Docker capabilities for GenAI development. I'll show you how to package, publish, and consume your own custom models in the Docker Model format, making them easily accessible via any container registry that supports OCI Artifacts.
If you're working with GenAI and want to make your workflows smoother, this session is for you!

#### **Demystifying Dependency Injection**

**by Jens Knipper**
Dependency Injection (DI) is a core concept in modern software development—but many developers use it without fully understanding how it works.
Dependency Injection (DI) is an important concept in Software development that helps create cleaner, easier-to-maintain code. In this talk, we’ll explain the basics of DI, how it works, and why it’s useful. DI helps reduce the tight connections between parts of your application by letting frameworks like Spring manage how objects are created and linked together. You’ve probably used DI through annotations like @Autowired, @Inject, or similar. We’ll show you how these annotations work in practice and how they can make your code more flexible and easier to test. Whether you're new to DI or want a clearer understanding, this session will provide the knowledge you need to improve your code.

We're looking forward to another great evening of learning, sharing, and networking—**don’t miss out**!

See you on May 22nd! 👋

OpenValue Düsseldorf

Gerrit de Boer

Sebastian K.

Benedikt Loup

Jens Stahl

Max Kogan

James

Jens Knipper

Marvin Rensing

Asem

Jan Matèrne

From Containers to Models & Demystifying Dependency Injection

OpenValue - Better software, faster

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