John

redis

Redis is the world’s fastest data platform for caching, vector search, and NoSQL databases.

golang

Go (golang) is a general purpose, higher-level, imperative programming language.

Atlassian Confluence wrapped in a Docker image

rabbitmq

RabbitMQ is an open source multi-protocol messaging broker.

docker

Docker in Docker! (commonly known as "dind")

http://kafka.apache.org/documentation.html#quickstart

ClickHouse is an open-source column-oriented database management system.

zookeeper

Apache ZooKeeper is an open-source server which enables highly reliable distributed coordination.