Devoxx Courses

How We Build and Mitigated Our Spring Boot Applications to Kotlin

Transforming Spring Boot from Java to Kotlin: strategies, improvements, and best practices for migrating large codebases, with live coding demonstrations and practical tips.

• YouTube
• 45 minutes
• On-Demand
• Conference Talk

The DevOps Chronicles - Kubifying Java Apps with Dekorate.io

Simplify Java app deployment to Kubernetes using Dekorate.io annotations, eliminating complex YAML files for Helidon, Quarkus, or SpringBoot applications.

• YouTube
• 50 minutes
• On-Demand
• Conference Talk

Supply Chain Security for OpenSource Projects

Explore supply chain security for open-source projects, covering potential threats, attack points, free tools, and strategies to protect against cyber attacks in software development.

• YouTube
• 54 minutes
• On-Demand
• Conference Talk

Functional Web APIs in Practice

Explore functional programming in Kotlin for building robust web APIs, focusing on performance, validation, testing, and concurrency without relying on traditional frameworks.

• YouTube
• 54 minutes
• On-Demand
• Conference Talk

Ever Seen an Astronaut Riding a Horse? - Understanding and Applying Text to Image Generation Models

Explore text-to-image models like DALL-E 2 and StableDiffusion, their architecture, advanced applications, and how to generate images using KerasCV's optimized implementation.

• YouTube
• 45 minutes
• On-Demand
• Conference Talk

Building ML Workflows with Java, Python & Apache Beam

Learn to create multi-language ML pipelines using Apache Beam, combining Java for data processing and Python for ML modeling in batch and streaming workflows.

• YouTube
• 31 minutes
• On-Demand
• Conference Talk

OAUTH 2.1 Explained Simply - Even If You Are Not a Developer

Demystifies OAuth 2.1 using everyday analogies, making it accessible for both technical and non-technical audiences. Covers key concepts, roles, and flows of this essential authorization protocol.

• YouTube
• 51 minutes
• On-Demand
• Conference Talk

Using Record Types to Build Better Domain Models

Explore how Java's Record Types enhance domain modeling, focusing on value objects, immutability, and efficient data handling for cleaner, more expressive code.

• YouTube
• 40 minutes
• On-Demand
• Conference Talk

Repeatable Scalable Path to Production for Java Spring Apps on Kubernetes

Develop, build, and deploy Spring Boot apps on Kubernetes using convention over configuration. Learn CI/CD, Cloud Native Buildpacks, GitOps, Knative, and Backstage for efficient app delivery and management.

• YouTube
• 53 minutes
• On-Demand
• Conference Talk

Doctolib Needs a Bigger Database - Ok, But Which One?

Explore Doctolib's journey to scale their massive PostgreSQL database, evaluating solutions like Spanner, Yugabyte, and Citus to support business growth and handle millions of medical appointment bookings.

• YouTube
• 52 minutes
• On-Demand
• Conference Talk

Apps Modernization Strategy - A Light at the End of the Tunnel

Explore a modernization strategy using the outbox pattern and event-driven technologies. Learn how change data capture enables legacy app extension within cloud-based microservice architectures, using Kafka, Quarkus, and OpenShift.

• YouTube
• 51 minutes
• On-Demand
• Conference Talk

Learning Through Tinkering

Discover effective strategies for continuous learning in IT through hands-on projects. Gain insights on managing the influx of new technologies without feeling overwhelmed.

• YouTube
• 51 minutes
• On-Demand
• Conference Talk

Vapourware - The Best Software That Never Was

Explore fascinating stories of ambitious software projects that never materialized, including a pioneering web browser and an early music streaming service. Gain insights into unrealized innovations and their creators.

• YouTube
• 47 minutes
• On-Demand
• Conference Talk

LITTIL Step for Man, Big Step for Mankind

Discover LITTIL, an open-source initiative bringing IT volunteers to primary schools for Devoxx4Kids programming days. Learn about its development, impact, and potential for global expansion.

• YouTube
• 34 minutes
• On-Demand
• Conference Talk

Why Don't You Create Your Next Application Without a Database?

Explore MicroStream: revolutionizing data storage by using JVM memory as your database. Learn basic principles, benefits, and see demos of this high-performance, low-latency solution.

• YouTube
• 48 minutes
• On-Demand
• Conference Talk