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+# ComfyUIMini - Mobile-friendly UI for ComfyUI
+# Lightweight Node.js container that proxies to ComfyUI
+FROM node:20-alpine
+
+LABEL maintainer="ComfyUI"
+LABEL description="ComfyUIMini mobile UI for ComfyUI on DGX Spark"
+
+WORKDIR /app
+
+# Install git for cloning, then clean up
+RUN apk add --no-cache git
+
+# Clone ComfyUIMini
+ARG COMFYUIMINI_REF=main
+RUN git clone https://github.com/ImDarkTom/ComfyUIMini.git . && \
+    git checkout ${COMFYUIMINI_REF}
+
+# Install all deps, build TypeScript, then prune dev dependencies
+RUN npm ci && \
+    npm run build && \
+    npm prune --omit=dev
+
+# Create config directory and default config
+# Config is overridden at runtime via NODE_CONFIG env var
+RUN mkdir -p config && \
+    cp config/default.example.json config/default.json
+
+# Create directories for workflows and ensure proper permissions
+RUN mkdir -p workflows && \
+    chown -R node:node /app
+
+# Switch to non-root user
+USER node
+
+EXPOSE 3000
+
+# Health check - verify the server responds
+HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:3000/ || exit 1
+
+# Project uses tsx to run TypeScript directly (not compiled to dist/)
+CMD ["npm", "start"]