# Multi-stage build for Ora Map Application
FROM node:20-alpine AS base

# Production stage
FROM base AS production

WORKDIR /app

# Copy backend package files
COPY backend/package*.json ./backend/
WORKDIR /app/backend
RUN npm install --production

# Copy backend source and data
COPY backend/ ./
WORKDIR /app

# Copy public frontend files
COPY public/ ./public/

# Expose port
EXPOSE 3000

# Set environment variable
ENV NODE_ENV=production
ENV PORT=3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node -e "require('http').get('http://localhost:3000/api/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

# Start the application
WORKDIR /app/backend
CMD ["node", "server.js"]