Add Dockerfile for Hugging Face Spaces

Dockerfile

@@ -0,0 +1,36 @@
+FROM node:22-slim
+
+# Install system dependencies for sandbox and database
+RUN apt-get update && apt-get install -y \
+    python3 \
+    python3-pip \
+    curl \
+    git \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Python dependencies
+RUN pip3 install chromadb --break-system-packages
+
+WORKDIR /app
+
+# Copy package files
+COPY package.json pnpm-lock.yaml ./
+
+# Install pnpm and dependencies
+RUN npm install -g pnpm && pnpm install
+
+# Copy all project files
+COPY . .
+
+# Build the frontend
+RUN pnpm build
+
+# Expose the port (Hugging Face Spaces default is 7860)
+EXPOSE 7860
+
+# Set environment variables
+ENV PORT=7860
+ENV NODE_ENV=production
+
+# Start the application
+CMD ["pnpm", "start"]