Implement Node.js backend rewrite with SQLite authentication, admin dashboard and One-Click docker update

Dockerfile

@@ -12,23 +12,23 @@ COPY . .
 
 RUN bundle exec jekyll build
 
-# === Serve-Phase: nginx + ImageMagick fuer Thumbnails ===
-FROM nginx:alpine
+# === Serve-Phase: node.js backend + ImageMagick ===
+FROM node:20-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 docker-cli
 
-RUN apk add --no-cache imagemagick
+WORKDIR /app
+COPY package*.json ./
+RUN npm install --omit=dev
 
-COPY nginx.conf /etc/nginx/conf.d/default.conf
-COPY --from=builder /site/_site /usr/share/nginx/html
+COPY backend ./backend
+COPY --from=builder /site/_site ./public
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
 
-# Leere Bildverzeichnisse anlegen (werden durch Volumes ueberschrieben)
-RUN mkdir -p /usr/share/nginx/html/images/fulls \
-             /usr/share/nginx/html/images/thumbs
+# Verzeichnisse anlegen
+RUN mkdir -p /app/public/images/fulls /app/public/images/thumbs /app/data
 
-EXPOSE 80
+EXPOSE 8080
 
 ENTRYPOINT ["/entrypoint.sh"]