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Apache Ignite and Spring on your Kubernetes Cluster Part 1: Spring Boot application

On a previous series of blogs we spun up an Ignite cluster on a Kubernetes cluster.In this tutorial we shall use the Ignite cluster created previously on with a Spring Boot Application. Let’s create our project using Spring Boot. The Spring Boot application will connect to the Ignite cluster. Let’s add our dependencies. <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 ...

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Apache Ignite on your Kubernetes Cluster Part 2: RBAC Explained

You had a cache service running however all you did was installing a helm chart.In this blog we shall evaluate what is installed and take notes for our futures helm charts. The first step would be to view the helm chart. 1 2 3 > helm list NAME            NAMESPACE   REVISION    UPDATED                                 STATUS      CHART           APP VERSION ignite-cache    default     1           2020-03-07 22:23:49.918924 ...

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Rotating secrets in Kubernetes

I’m building a multitenant SaaS on top of Kubernetes at the moment, and one principle we’ve gone with is that all secrets should be rotated regularly. I’m surprised by the distinct lack of documentation on best practices for how to supply this configuration in Kubernetes. Of course, when it comes to certificates, it’s fairly straight forward to rotate a certificate ...

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