Add about table back to aspnetapp

Author: lbussell

samples/aspnetapp/aspnetapp/About.aspx

@@ -1,9 +1,33 @@
-<%@ Page Title="About" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="About.aspx.cs" Inherits="aspnetapp.About" %>
+<%@ Import Namespace="System.Runtime.InteropServices" %>
+
+<%@ Page Title="About" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="About.aspx.cs" Inherits="aspnetapp.About" %>
 
 <asp:Content ID="BodyContent" ContentPlaceHolderID="MainContent" runat="server">
     <main aria-labelledby="title">
         <h2 id="title"><%: Title %>.</h2>
-        <h3>Your application description page.</h3>
-        <p>Use this area to provide additional information.</p>
+        <div align="center">
+            <table class="table table-striped table-hover">
+                <tr>
+                    <td>.NET version</td>
+                    <td><%= RuntimeInformation.FrameworkDescription %></td>
+                </tr>
+                <tr>
+                    <td>Operating system</td>
+                    <td><%= RuntimeInformation.OSDescription %></td>
+                </tr>
+                <tr>
+                    <td>Processor architecture</td>
+                    <td><%= RuntimeInformation.OSArchitecture %></td>
+                </tr>
+                <tr>
+                    <td>CPU cores</td>
+                    <td><%= Environment.ProcessorCount %></td>
+                </tr>
+                <tr>
+                    <td>DOTNET_RUNNING_IN_CONTAINER</td>
+                    <td><%= (Environment.GetEnvironmentVariable("DOTNET_RUNNING_IN_CONTAINER") is null ? "false" : "true") %></td>
+                </tr>
+            </table>
+        </div>
     </main>
 </asp:Content>