Fix Nginx file permissions and bypass browser cache

Dockerfile

@@ -15,6 +15,9 @@ RUN bundle exec jekyll build
 # === Serve-Phase: nginx + ImageMagick fuer Thumbnails ===
 FROM nginx:alpine
 
+# Nginx als Root laufen lassen, um Berechtigungsprobleme mit Nextcloud-Dateien zu vermeiden
+RUN sed -i 's/user  nginx;/user  root;/g' /etc/nginx/nginx.conf
+
 RUN apk add --no-cache imagemagick
 
 COPY nginx.conf /etc/nginx/conf.d/default.conf

assets/js/main.js

@@ -158,6 +158,7 @@
 		$.ajax({
 			url: '/images/fulls/',
 			dataType: 'json',
+			cache: false,
 			success: function(files) {
 				var images = files.filter(function(f) {
 					if (f.type !== 'file') return false;