v_1.7

Dockerfile

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+# QR Presentation — self-contained image (Node + LibreOffice + ffmpeg)
+FROM node:20-bookworm-slim
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+# LibreOffice handles Office/OpenDocument -> PDF; ffmpeg normalises video;
+# fonts make converted decks render correctly.
+RUN apt-get update && apt-get install -y --no-install-recommends \
+      libreoffice-impress \
+      libreoffice-writer \
+      libreoffice-calc \
+      ffmpeg \
+      curl ca-certificates \
+      fonts-liberation fonts-dejavu-core fonts-noto-core \
+ && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+COPY package.json package-lock.json* ./
+RUN npm install --omit=dev --no-audit --no-fund
+
+COPY . .
+
+# Vendor PDF.js so the viewer works even on an offline / air-gapped network.
+RUN mkdir -p public/vendor/pdfjs \
+ && curl -fsSL https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.min.js        -o public/vendor/pdfjs/pdf.min.js \
+ && curl -fsSL https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.worker.min.js -o public/vendor/pdfjs/pdf.worker.min.js
+
+ENV NODE_ENV=production \
+    DATA_DIR=/data \
+    HOME=/tmp \
+    PORT=3000
+
+# LibreOffice needs a writable home for its profile.
+RUN mkdir -p /data && chown -R node:node /data /tmp
+USER node
+
+VOLUME ["/data"]
+EXPOSE 3000
+CMD ["node", "server/index.js"]