Exception when you are trying to deploy a Kafka Producer/Consumer application as a jar. Problem I encountered this error while I was writing: Keycloak: Event Listener SPI & Publish to Kafka Example code Producer.java#L41 Here I defined the StringSerialized.class as a property for the Kafka Producer configuration. This application is…

In this post, we will see how to secure JupyterLab & manage access for the JupyterLab notebook using Keycloak. I will be setting up the JupyterLab in the local system & require config changes for running it locally which will differ from the production setup. If you are not familiar…

In this post, we will learn about how to secure a Svelte fronted application & Golang service using Keycloak. If you are not familiar with the Keycloak basics, you can go through this post Essentials. Let’s get started. About the Application Created a simple svelte frontend application. Which has a click button on…

This post will do a step-by-step configuration of the strimzi-operator (Apache Kafka) on Openshift. Expose an external listener as Openshift route over TLS and Securing the Kafka Cluster using Keycloak using SASL OAuth Bearer. If you don’t want to do a bunch of configurations. An easy option for you would…

In this post, we will be going over how to configure the PostgreSQL database with Keycloak. Keycloak standard distribution comes with H2 embedded database. The process discussed in this post can be used for other supported databases like Mysql. Prerequisites Docker Keycloak (using version: 13.0.1) PostgreSQL JDBC 4.2 Driver, 42.2.20 git …

In this post, we will see using Keycloak as an Identity Provider for your Openshift cluster act as an Identity Broker. Visa versa can be possible. You can use Openshift as a provider for the Keycloak. We won’t be covering that scenario in this post. In simple terms, keycloak users…

In this post, we will see the process of designing an operator for your product with hands-on experience. This post is for people who are familiar with the operator pattern & may have tried operator-sdk/kubebuilder. If you aren’t please read my other post: Operator Pattern: Kubernetes/Openshift The main challenge for…

In this post, we will do a step-by-step configuration of the strimzi-operator & use Openshift routes as an external listener with security: SASL_SSL. Setup CRC or Openshift Instance strimzi-operator Kafka CLI tools kubectl/oc tools Installation: OLM: One-click install Locally git clone https://github.com/strimzi/strimzi-kafka-operator.git cd strimzi-kafka-operator Update the namespace in which you wanted to deploy the Operator.