Michael Hunger | Voxxed Days

Voxxed Days Zurich 2019
on Tuesday 19 March

Michael Hunger has been passionate about software development for more than 25 years.

For the last few years, he has been working on the open source Neo4j graph database filling many roles. As caretaker of the Neo4j community and ecosystem he especially loves to work with graph-related projects, users, and contributors.

As a developer Michael enjoys many aspects of programming languages, learning new things every day, participating in exciting and ambitious open source projects and contributing and writing software related books and articles. Michael spoke at numerous conferences and helped organized several of them.

Michael helps kids to learn to program by running weekly girls-only coding classes at local schools.

See also http://www.jexp.de

Meetup Recommendations with Micronaut

Conference

In an active open-source community, Meetups play an important part of pulling people interested in a tech topic together and foster exchange of ideas. In this talk, we want to show how to use Micronaut to build a fully federated solution based on the streaming RSVP API of meetup.com. We ingest the RSVP events with the reactive http client and make it available to our system via Kafka. To demonstrate the polyglot functionality in our event-sourced system, we will store events in Redis, members and groups in Postgres, and meetups and attendance in Neo4j. Each service can make its data available via reactive APIs, and on top of that, we're providing meetup recommendations for members with the built-in Neo4j integration. As a proper "cloud-native" application, we use Micronauts integrations for orchestration, tracing, monitoring while making sure that we are not affected by outages of our dependent APIs using CircuitBreakers and Retries. We hope that the talk gives you enough hands-on experience for building your own Micronaut-based applications.

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