Containers

Last year Docker announced a change in their subscription service agreement that limited the free usage of Docker Desktop effective August 31, 2021, with a grace period until January 31, 2022. The grace period is over, so what are your options if you don’t fall in any of the allowed categories to keep it running for free or if you just want to look for alternatives? In this post, we will go over podman and rancher desktop to check if they can replace Docker Desktop usage. ...

There has been a couple of years since the announcement of the removal of Apache Zookeeper as a dependency to manage Apache Kafka metadata. Since version 2.8, we now can run a Kafka cluster without Zookeeper. This article will go over three easy ways to get started with a single node cluster using containers. Control and data planes Apache Kafka implements independent control and data planes for its clusters. The control plane manages the cluster, keeps track of what brokers are alive, and takes action when the set changes. Meanwhile, the data plane consists of the features required to handle producers and consumers and their records. In the previous iterations, Zookeeper was the cluster component that held most of the implementation of the control plane. ...