Backends
Backends, in computing, refer to the server-side components of an application that handle processing, business logic, data storage, and communication with clients. The backend runs on servers and is responsible for receiving requests from the client (frontend, mobile apps, or other services), executing logic, querying and updating databases, and returning data or status updates. It is distinct from the frontend, which runs in the user's browser or device and presents the user interface.
Core components include the application server, the database, and the API layer. The application server executes
Architectures vary from monolithic backends to microservices or serverless designs. In a monolith, a single codebase
Operational concerns include deployment, monitoring, and security. Backends are deployed on virtual machines, containers (Docker), or
Backends interact with frontends by providing data and services via APIs. They support web, mobile, and third-party