it, and sending it somewhere — easy concepts that we learn in our first programming tutorials. Why is it that to build an application today we need to learn Kubernetes, Docker, Git, load balancers, dozens of AWS services, SQL, NoSQL, Kafka, Unix, GraphQL, gRPC, npm, Heroku, DNS, memcached, JWT, Nginx, and the rest of the endless list of tools and technologies that each provide one part of an application?
Receiving, Manipulationg, Storing and Sending in some levels are not easy, each of this technologies are built to make one of these things ( not exactly these things but things like these ) easier
Because the scale at which à single software system is used have changed. A single system nowadays tend to be used by hundreds of thousands if not millions of simultaneous people. Most of the tools you quote aim either at facilitating cooperation or deployment, or on the other hand, at making systems that can handle multiple millions users.
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