FROM node:18-alpine

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci

# Copy server code
COPY src ./src

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

# Expose port
EXPOSE 3001

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node -e "require('http').get('http://localhost:3001/health', (r) => {if (r.statusCode !== 200) throw new Error(r.statusCode)})"

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