Difference between app.Use, app.UseMiddleware, app.Run, and?

app.Map

Method Description

app.Use Adds middleware that can call next in the

pipeline.

app.UseMiddlewar

e<T>()

Adds a custom middleware class.

app.Run Terminal middleware – does not call next. Ends

the pipeline.

app.Map Branches the pipeline based on URL path (e.g.

/api).

Example:

app.Use(async (context, next) => {

await next(); // go to next middleware

});

app.Run(async context => {

await context.Response.WriteAsync("Hello World"); //

terminates pipeline

});