DevOps Explainers
Most engineering concepts are easier than they look once someone explains them clearly. This page collects short explainer notes on the fundamentals I find myself re-explaining most often, each paired with the best external visual or video I have found on the topic. APIs An API is a contract: this is what I will accept, this is what I promise to return, this is how I will behave when something goes wrong. Everything else - REST, GraphQL, gRPC, WebSockets - is just a different way of expressing that contract over the wire. ...