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This snipp explains how to configure Response Caching Middleware in an ASP.NET Core app.
Add Response Caching Middleware
In Startup.ConfigureServices
, add the Response Caching Middleware to the service collection using services.AddResponseCaching()
:
public void ConfigureServices(IServiceCollection services)
{
services.AddResponseCaching();
services.AddRazorPages(options =>
...
}
Configure Response Cache
Configure the app to use the middleware with the UseResponseCaching extension method, which adds the middleware to the request processing pipeline in Startup.Configure
:
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
...
app.UseResponseCaching();
app.UseEndpoints(endpoints =>
...
}
Set ResponseCache attribute
In a controller action, add the [ResponseCache] attribute. The response cache middleware only works if the response cache attribute is added to the action method or controller.
[ResponseCache(Duration = 300)]
public class ImagesController : Controller
{
...
The following is a Response Header. It shows the cache-control:public and max-age=300
Response Header
cache-control: public,max-age=300
status: 200
...
x-powered-by: ASP.NET
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