FROM node:18-alpine

WORKDIR /app

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

# Copy application code
COPY . .

# Create data directory
RUN mkdir -p /app/data

# Expose port
EXPOSE 5000

# Healthcheck
RUN apk add --no-cache curl
HEALTHCHECK --interval=30s --timeout=3s \
  CMD curl -f http://localhost:5000/ || exit 1

# Start server
CMD ["npm", "start"]