Refactory and lab swaps (#29)

* lab5 minor update
* lab7 & 8 swap
* lab1 screenshot update
* labguide update

Author: sdutta9

labs/lab1/media/lab1_none-dataplane-key-new.png

@@ -306,4 +306,4 @@ This ends lab4.
 
 ---
 
-Navigate to ([LabGuide](../readme.md))
+Navigate to ([Lab5](../lab5/readme.md) | [LabGuide](../readme.md))

labs/lab1/media/lab1_none-dataplane-key-save.png

@@ -0,0 +1,11 @@
+# Nginx Basics keepalive.conf
+# Nov 2024 - Chris Akker, Shouvik Dutta, Adam Currier
+#
+# Default is HTTP/1.0 to upstreams, HTTP keepalives needed for HTTP/1.1
+proxy_http_version 1.1;
+
+# Set the Connection header to empty 
+proxy_set_header Connection "";
+
+# Host request header field, or the server name matching a request
+proxy_set_header Host $host;

labs/lab4/readme.md

@@ -0,0 +1,13 @@
+# Nginx Basics proxy_headers.conf
+# Nov 2024 - Chris Akker, Shouvik Dutta, Adam Currier
+#
+## Set Headers to the proxied servers ##
+
+# client address in binary format
+proxy_set_header X-Real-IP $remote_addr;
+
+# X-Forwarded-For client request header 
+proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+
+# request scheme, “http” or “https”
+proxy_set_header X-Forwarded-Proto $scheme;

labs/lab5/final/keepalive.conf

@@ -280,7 +280,7 @@ This will require a new NGINX config file, for the Server and Location Blocks. F
 1. Time to Test!!! Go back to Visual Studio Terminal and run below commands to test if your new `proxy_pass` configuration is working as expected. Run this command several times.
 
    ```bash
-    docker exec -it $NAME-nginx-plus curl -s http://cafe.example.com |grep Server
+    curl -s http://cafe.example.com |grep Server
     ```
 
     ```bash
@@ -1247,4 +1247,4 @@ With NGINX, there are several configuration options for this, but in this next l
 
 -------------
 
-Navigate to ([Lab6](../lab6/readme.md) | [Main Menu](../readme.md))
+Navigate to ([Lab6](../lab6/readme.md) | [LabGuide](../readme.md))