Cache-Warming: Bilder beim Serverstart vorab laden (sofortiges Erst-Rendering)

Dockerfile

@@ -2,6 +2,7 @@ FROM node:20-alpine
 WORKDIR /app
 COPY package.json ./
 COPY server.js ./
+COPY warm-urls.json ./
 COPY public ./public
 RUN mkdir -p /data
 ENV PORT=80