We live in a world of dynamically changing technologies. New ways of architecturing our solutions, new frameworks and libraries seem to appear on almost daily basis. But good software engineering is not about fancy frameworks and solutions aggressively promoted by their vendors. It is not about doing something because Netflix or Google did it. It is about taking well-thought-out decisions based on facts and knowledge. That’s why it is important to be familiar basic architectural concepts like CQRS. It is...