Cloud Ready JVM with Kubernetes
Congratulations, you are done coding, you made a runnable Jar file. So what? How does it go into the cloud?
In this talk we will explore how JVM applications can be packaged inside a Docker image and discuss tips and common pitfalls. We will continue with a brief introduction to Kubernetes, how it can help deploy our Docker containers & how it can integrate with frameworks like Spring. Finally, will look at a development workflow which allows fast local development of large microservices applications leveraging Telepresence.
Novice & competent Kubernetes users welcome!
Deploying and scaling Spring Boot microservices to Kubernetes
When you design and build applications at scale, you deal with two significant challenges: scalability & robustness. You should design your service so that even if it is subject to intermittent heavy loads, it continues to operate reliably. But how do you build such applications? And how do you deploy an application that scales dynamically? Kubernetes has a feature called autoscaler where instances of your applications are increased or decreased automatically based on metrics that you define.
In this talk, you’ll learn how to design, package & deploy reliable Spring Boot applications to Kubernetes & decouple several components using a message broker. You will also learn how to set autoscaling rules to cope with an increasing influx of messages in the queue.
From Kubelet to Istio: Kubernetes Network Security Demystified
Kubernetes provides multiple layers of network security including the control plane, etcd, the CNI network, network policies, & - with Istio on top - the requests between applications themselves. In this talk we explore the underlying technologies on which these layers are built using approachable examples & demonstrations. Attendees can expect to gain an understanding of these implementations & the principles behind encryption, identity, & trust in Kubernetes.
Being a Java developer for many years, Cesar Tron-Lozai was very excited when Java 8 came out, and the functional elements it brought to Java. His interest didn't stop there and he went to play with Scala, Haskell, and eventually study Category Theory (the mother of all theory that is behind functional programming). In his job as Head of Engineering of a small startup, he gets involved with all the aspects of software development: Infrastructure, DevOps, design, backend and frontend. In his spare time he co-organise Devoxx4kids in the UK.
Andrew Martin has a strong test-first engineering ethos gained architecting and deploying high-traffic web applications. Proficient in systems development, testing, and maintenance, he is comfortable profiling and securing every tier of a bare metal or cloud native application, and has battle-hardened experience delivering containerised solutions to enterprise clients. He is a co-founder at control-plane.io.
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The London Java Community (LJC) is a group of Java Enthusiasts who are interested in benefiting from shared knowledge in the industry. Through our forum and regular meetings you can keep in touch with the latest industry developments, learn new Java (& other JVM) technologies, meet other developers, discuss technical/non technical issues and network further throughout the Java Community.