Complexity of information systems is growing with time so beeing a good architect is a challenging task. During past decades, I’ve worked in Israeli start-ups on development of modern medical devices, web analytics, intelligence and other systems that are in world-wide use. In those technical leadership positions I have had opportunity to get to know the advantages and disadvantages of significant part of open source solutions for security, storage, reliable data processing and similar. In this talk I will present a cloud native tech-stack that I use in recent years that is up-to-date and provides solution to big part of business requirements common to most projects.