FROM node:18-alpine

WORKDIR /app

# Install build tools for native modules
RUN apk add --no-cache python3 make g++

# Install dependencies
COPY package*.json ./
RUN npm ci

# Copy source
COPY . .

# Build TypeScript
RUN npm run build

# Hugging Face uses this port
EXPOSE 7860

# Start server
CMD ["node", "dist/index.js"]