Update NGINX confs to refer local upstream

We don't have the test infrastructure fully set up
to handle some of this yet. For now, we can just
proxy pass to an upstream on localhost and update
it down the road.

Author: puneetsarna

github-action/test/configs/multi/nginx.conf

@@ -2,7 +2,7 @@ http {
     upstream app {
         zone app 64k;
         least_conn;
-        server 10.0.1.4:8000;
+        server 127.0.0.1:8000;
     }
 
     server {
@@ -19,7 +19,7 @@ http {
     server {
         listen 443 ssl default_server;
         server_name example.com;
-        
+
         ssl_certificate /etc/nginx/ssl/000000/my-cert.crt;
         ssl_certificate_key /etc/nginx/ssl/000000/my-cert.key;
 
@@ -29,4 +29,12 @@ http {
             health_check;
         }
     }
-}
+
+    server {
+        listen 8000;
+
+        location / {
+            return 200 "Hello World";
+        }
+    }
+}

github-action/test/configs/single/nginx.conf

@@ -2,7 +2,7 @@ http {
     upstream app {
         zone app 64k;
         least_conn;
-        server 10.0.1.4:8000;
+        server 127.0.0.1:8000;
     }
 
     server {
@@ -21,6 +21,13 @@ http {
             proxy_pass http://app;
             health_check;
         }
-        
     }
-}
+
+    server {
+        listen 8000;
+
+        location / {
+            return 200 "Hello World";
+        }
+    }
+}