Merge branch 'update_nginx_deploy' into 'master'

Deploy page should be shown for all pages not just root

Related to change already merged to Omnibus - gitlab-org/omnibus-gitlab!540

This change makes it so the deploy page is shown on all GitLab pages if the page exists. Users will no longer receive the 502 when deploys are happening.

See merge request !1828

lib/support/nginx/gitlab

@@ -67,7 +67,7 @@ server {
   location / {
     ## Serve static files from defined root folder.
     ## @gitlab is a named location for the upstream fallback, see below.
-    try_files $uri $uri/index.html $uri.html @gitlab;
+    try_files $uri /index.html $uri.html @gitlab;
   }
 
   ## We route uploads through GitLab to prevent XSS and enforce access control.

lib/support/nginx/gitlab-ssl

@@ -112,7 +112,7 @@ server {
   location / {
     ## Serve static files from defined root folder.
     ## @gitlab is a named location for the upstream fallback, see below.
-    try_files $uri $uri/index.html $uri.html @gitlab;
+    try_files $uri /index.html $uri.html @gitlab;
   }
 
   ## We route uploads through GitLab to prevent XSS and enforce access control.