Add static files in ASP.NET Core 3.1

Startup.cs

// IWebHostEnvironment _env;

public void Configure(IApplicationBuilder app, ILoggerFactory loggerFactory)
{
    app.UseStaticFiles(new StaticFileOptions
    {
        FileProvider = new PhysicalFileProvider(Path.Combine(_env.ContentRootPath, "Images")), 
        RequestPath = "/images"
    });
}