Merge pull request #822 from Alfresco/nginx-walkthrough

More specifications for installing and configuring NginX

PREREQUISITES.md

@@ -2,11 +2,11 @@
 
 The [Angular 2](https://angular.io/) based application development framework requires the following:
 
-- An Alfresco Platform Repository (version [5.2.a-EA](https://wiki.alfresco.com/wiki/Community_file_list_201606-EA) or newer) to talk to, which has [CORS](https://en.wikipedia.org/wiki/Cross-origin_resource_sharing) enabled. 
+- An Alfresco Platform Repository (version [5.2.a-EA](https://wiki.alfresco.com/wiki/Community_file_list_201606-EA) or newer) to talk to, which has [CORS](https://en.wikipedia.org/wiki/Cross-origin_resource_sharing) enabled.
 - [Download and install Activiti](https://www.alfresco.com/products/bpm/alfresco-activiti/trial)
 - [Node.js](https://nodejs.org/en/) JavaScript runtime.
 - [npm](https://www.npmjs.com/) package manager for JavaScript.
- 
+
 **Verify that you are running at least node `v5.x.x` and npm `3.x.x`**
 by running `node -v` and `npm -v` in a terminal/console window.
 Older versions produce errors.
@@ -27,3 +27,14 @@ v5.12.0
 To correctly configure Nginx use the following file [nginx.conf](/nginx.conf).
 This will put Activiti, Alfresco and the app dev framework under the same domain.
 
+This configuration assumes few things:
+
+* Port mapping:
+  * NginX entry point: 8888
+  * Demo Shell: 3000
+  * Alfresco: 8080
+  * Activiti: 9999
+
+All those values can be modified at their respective `location` directive on the [nginx.conf](/nginx.conf) file.
+
+It also need to be compiled with the [Headers More](https://www.nginx.com/resources/wiki/modules/headers_more/) module , which add more control over sending headers to the backend.