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Problem

How to serve static content (HTML, CSS, JavaScript, Images) from ASP.NET Core application.

Solution

Modify the Configure() method in Startup class to use middleware for static files:

public void Configure(
            IApplicationBuilder app,
            IHostingEnvironment env)
        {
            app.UseStaticFiles(); // for files in wwwroot folder

            app.UseStaticFiles(new StaticFileOptions() // for files in content folder
            {
                FileProvider = new PhysicalFileProvider(
                    Path.Combine(Directory.GetCurrentDirectory(), "content")),
                RequestPath = new PathString("/outside-content")
            });

            app.Run(async (context) =&gt;
            {
                await context.Response.WriteAsync("Hello Static Files");
            });
        }

Add static content to wwwroot and a custom content folder:

Static Files - Explorer

Access the files using site address:

http://[site-address]/hello.html
http://[site-address]/outside-content/info.html

Discussion

Static files are served, by default, from wwwroot folder and can be accessed as if the content exist in your root folder. The default folder can be changed via WebHostBuilder in Program.cs using:

UseWebRoot("public") // changed wwwroot to public

Static files can also be served from folders outside wwwroot by passing in StaticFileOptions to middleware and setting a FileProvider and RequestPath. This is useful when you want authorized access to files, e.g., by returning FileResult action result from a secure controller.

ASP.NET Core 2.0 Static Files