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Senior Software Engineer at Microsoft - OWASP Project Leader - Author & Speaker

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Tag: Kubernetes

Playing with Istio Service Mesh on Kubernetes

What is Istio?

Google presents Istio as an open platform to connect, monitor, and secure microservices.

Istio is a service mesh implementation that provides many cloud-native capabilities like:

  • Traffic management: Service Discovery, Load balancing, Failure recovery, A/B testing, Canary releases, etc…
  • Observability: Request Tracing, Metrics, Monitoring, Auditing, Logging, etc…
  • Security: ACLs, Access control, Rate limiting, End-to-end authentication, etc…

Istio delivers all these great features without any changes to the code of the microservices running with it on the same Kubernetes cluster.

In our case, we already implemented many of these features and capabilities when we were writing our microservices. If we had Istio at the beginning, we could save so much effort and time, by delegating all of these capabilities to Istio.

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Playing with Spring Boot on Kubernetes

I. Introduction

In this tutorial I will show you how to write a small Spring Boot CRUD application and how to deploy it on Kubernetes.

Spring Boot is an innovative project that aims to make it easy to create Spring applications by simplifying the configuration and deployment actions through its convention over configuration based setup.

Kubernetes (commonly referred to as “K8s”) is an open-source system for automating deployment, scaling and management of containerized applications that was originally designed by Google and now maintained by the Cloud Native Computing Foundation. It aims to provide a “platform for automating deployment, scaling, and operations of application containers across clusters of hosts”. It works with a range of container tools, including Docker.

Docker is an open source project that automates the deployment of applications inside software containers.

This tutorial is a getting started point to the Spring Boot & K8s stack.

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