Merge pull request #1071 from ORCID/feature/nginx_language_config_update

Feature/nginx language config update

ui/container-files/etc/nginx/conf.d/default.conf

@@ -13,13 +13,17 @@ server {
         root   /usr/share/nginx/html;
         index  index.html index.htm;
 
-        # Redirect requests for "/ui or /ui/(.*)" to the Angular application in the preferred language of the browser
-        rewrite  ^/ui/?(.*)$ /$accept_language/$1 break;
-
-        # Ensure that everything under the Angular application is always redirected to Angular in the correct language
-        # For reference on multi language support see: https://angular.io/guide/i18n-common-deploy#configure-a-server
-        location ~ ^/($accept_language) {
-            try_files $uri $uri/ /$1/index.html?$args;
+        location ~ ^/ui/(.*) {
+            # Redirect requests for `/ui/(.*)` to the Angular application in the preferred language of the browser
+            # For reference on multi language support see: https://angular.io/guide/i18n-common-deploy#configure-a-server
+            rewrite  ^/ui/(.*)$ /$accept_language/$1 break;
+
+            # Configure a fallback route in the NGinX server to serve the index.html when requests arrive for `/ui/login`
+            # Requires static html content to have a `base-href=./` entry
+            try_files $uri $uri/ /$accept_language/index.html?$args;
+
+            # Or use the following line instead
+            # auto-index on;
         }
 
     }

ui/container-files/etc/nginx/nginx.conf

@@ -28,6 +28,7 @@ http {
     # Browser preferred language detection (does NOT require AcceptLanguageModule)
     # For reference on multi language support see: https://angular.io/guide/i18n-common-deploy#configure-a-server
     map $http_accept_language $accept_language {
+        default en;
         ~*^cs cs;
         ~*^de de;
         ~*^es es;