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UseStaticFiles

As explained in ASP.NET Core in Action, 3e

UseStaticFiles is an ASP.NET Core application-builder method that adds static-file serving middleware to the request pipeline.

UseStaticFiles adds static-file middleware to an ASP.NET Core request pipeline. The middleware checks the wwwroot folder and returns a requested file when it exists. section 4.2.2

Minimal static-file pipeline

Create the application, build it, add static-file middleware, and run it: WebApplicationBuilder builder = WebApplication.CreateBuilder(args); WebApplication app = builder.Build(); app.UseStaticFiles(); app.Run(); A request for /moon.jpg is served from wwwroot/moon.jpg. A request for a missing file passes through and produces a 404 response. No services are required for this pipeline. section 4.2.2

How ASP.NET Core in Action, 3e covers it

How deep it goes
Explains registration, wwwroot lookup, successful responses, pass-through behavior, and automatic 404 handling.
Examples
Uses Program.cs, wwwroot/moon.jpg, missing.jpg, and browser responses to demonstrate serving and failure cases.
What it assumes
Requires an ASP.NET Core application with a wwwroot folder and needs no additional services.
What you can do after
Operate/configure an ASP.NET Core pipeline that serves existing files and returns 404 responses for missing files.
How it connects
Connects static-file middleware with middleware pipelines, wwwroot, request handling, and HTTP 404 responses.
Cover of ASP.NET Core in Action, 3e
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This explainer was generated by Manning's knowledge graph from the text of ASP.NET Core in Action, 3e. The section links point to the parts of the book it draws on.