add multiple apps example

examples/basic.rs

@@ -68,7 +68,7 @@ fn main() {
             ))
             // register simple handle r, handle all methods
             .handler("/index.html", index)
-        // with path parameters
+            // with path parameters
             .resource("/user/{name}/", |r| r.handler(Method::GET, with_param))
             // async handler
             .resource("/async/{name}", |r| r.async(Method::GET, index_async))

guide/src/SUMMARY.md

@@ -2,7 +2,7 @@
 
 [Quickstart](./qs_1.md)
 - [Getting Started](./qs_2.md)
-- [Actix application](./qs_3.md)
+- [Application](./qs_3.md)
 - [Handler](./qs_4.md)
 - [Resources and Routes](./qs_5.md)
 - [Application state](./qs_6.md)

guide/src/qs_3.md

@@ -20,3 +20,29 @@ has same url path prefix:
 
 In this example application with `/prefix` prefix and `index.html` resource
 get created. This resource is available as on `/prefix/index.html` url.
+
+Multiple applications could be served with one server:
+
+```rust
+extern crate actix_web;
+extern crate tokio_core;
+use std::net::SocketAddr;
+use actix_web::*;
+use tokio_core::net::TcpStream;
+
+fn main() {
+    HttpServer::<TcpStream, SocketAddr, _>::new(vec![
+        Application::default("/app1")
+            .resource("/", |r| r.get(|r| httpcodes::HTTPOk))
+            .finish(),
+        Application::default("/app2")
+            .resource("/", |r| r.get(|r| httpcodes::HTTPOk))
+            .finish(),
+        Application::default("/")
+            .resource("/", |r| r.get(|r| httpcodes::HTTPOk))
+            .finish(),
+    ]);
+}
+```
+
+All `/app1` requests route to first application, `/app2` to second and then all other to third.