K8s

When a service works with a database its core is tied with the database schema. Usually, that means that service models are represented in the database. Usually as tables, but not necessary. Anyway, from that comes a requirement to update database schema when the core of service is changed. If you version your service then you should version your database schema as well. For this purpose, the Liquibase is a good tool(or at least one that I like). In this example I use the Postgres. ...

Everyone wants to play with the Kubernetes(K8s). There are many options from Google, AWS, Heroku, etc. They offer free tiers that anyone can play with. But what if you want to have your K8s. On your laptop, for fun or to learn something new, without any restrictions. What is k3s The K3s is lightweight k8s by the rancher for Linux. K3s is intended to work with low resources and IoT devices. So, it can easily run on laptops. It is packed as a single binary so it is easy to setup. It requires to have installed docker, as nodes will be run inside containers. ...