Create Dockerfile

Dockerfile

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+# Stage 1: Build
+FROM node:20-alpine AS builder
+
+RUN apk add --no-cache git
+
+ARG CACHE_BUST=2026-03-09
+RUN git clone --depth 1 https://github.com/cloneisyou/dataset-visualizer /workspace
+
+WORKDIR /workspace
+RUN npm ci && npm run build
+
+# Stage 2: Serve with nginx
+FROM nginx:alpine
+ARG CACHE_BUST=2026-03-09
+RUN echo "Cache bust: $CACHE_BUST"
+
+COPY --from=builder /workspace/dist /usr/share/nginx/html
+COPY --from=builder /workspace/nginx.conf /etc/nginx/conf.d/default.conf
+
+# HuggingFace Spaces uses port 7860
+EXPOSE 7860
+CMD ["nginx", "-g", "daemon off;"]