Fix missing XSendFileContrib settings

Author: timlegge

Diff for: Dockerfile

@@ -130,7 +130,8 @@ RUN rm -rf /var/cache/apk/* && \
     tools/extension_installer XSendFileContrib -r -enable install && \
     tools/configure -save -set {Plugins}{AutoViewTemplatePlugin}{Enabled}='0' && \
     tools/configure -save -set {Plugins}{LdapNgPlugin}{Enabled}='0' && \
-    tools/configure -save -set {Plugins}{SamlLoginContrib}{Enabled}='0' && \
+    tools/configure -save -set {XSendFileContrib}{Header}='X-Accel-Redirect' && \
+    tools/configure -save -set {XSendFileContrib}{Location}='/files' && \
     rm -fr /var/www/foswiki/working/configure/download/* && \
     rm -fr /var/www/foswiki/working/configure/backup/* && \
     mkdir -p /run/nginx && \

Diff for: nginx.default.conf

@@ -39,7 +39,7 @@ server {
     }
 
     # static files that we don't need to authenticate, i.e. css and js
-    location ~ ^/pub/(System|Applications|cache)/ {
+    location ~ ^/pub/(System|Applications|images|cache)/ {
         root $foswiki_root;
         expires 8h;
         gzip_static on;