FROM node:20-alpine

WORKDIR /app

# Copy package files
COPY package.json package-lock.json* ./

# Install production dependencies only
RUN npm ci --omit=dev

# Copy server source code
COPY server ./server

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

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:3000/api/health || exit 1

ENV NODE_ENV=production
ENV PORT=3000

EXPOSE 3000

CMD ["node", "server/index.js"]