files cant't be seen by LLM, but everything else works.

backend/Dockerfile

@@ -0,0 +1,20 @@
+FROM node:20-alpine
+
+WORKDIR /app
+
+# Install dependencies
+COPY package*.json ./
+RUN npm ci --only=production
+
+# Copy source
+COPY src/ ./src/
+
+# Create data directories
+RUN mkdir -p /app/data/uploads /app/data/chromadb
+
+EXPOSE 3002
+
+ENV NODE_ENV=production
+ENV PORT=3002
+
+CMD ["node", "src/index.js"]