DevOps
DNS in container environments represents a fundamentally different paradigm compared to traditional virtual machines or physical servers. Containerization technology creates specific name resolution challenges based on three key aspects: isolation, the dynamic nature of the envir
DevOps
A practical guide covering ten essential practices for building production-ready Docker images, from choosing the right base image and multi-stage builds to security hardening and health checks.
DevOps
A comprehensive guide covering everything you need to plan before deploying a production Kubernetes cluster: architecture, storage, networking, security, observability, autoscaling, and CI/CD pipelines.
DevOps
Since about 2018, I have been programming infrastructure, if not every day, then several times a week. I do not claim that this allows me to claim any authority. But during this time I definitely managed to form concrete opinions on some issues. In this article, I'll share some o
DevOps
While deploying a couple dozen containers in Podman in rootless mode, we suddenly discovered that they could not use the same ports at the same time, as it usually works when using Docker. There are several solutions, but within the imposed restrictions, standard options were not