# Base stage with Node.js
FROM node:20-alpine AS base
WORKDIR /app

# Dependencies stage
FROM base AS dependencies
COPY package.json package-lock.json ./
RUN npm ci --only=production && \
    cp -R node_modules /tmp/prod_node_modules && \
    npm ci

# Build stage
FROM base AS build
COPY --from=dependencies /app/node_modules ./node_modules
COPY . .

# Build the client application
RUN npm run build

# Production stage
FROM base AS production

# Install production dependencies
COPY --from=dependencies /tmp/prod_node_modules ./node_modules

# Copy built application
COPY --from=build /app/dist ./dist
COPY --from=build /app/server ./server
COPY --from=build /app/shared ./shared
COPY --from=build /app/drizzle.config.ts ./
COPY --from=build /app/package.json ./

# Set environment variables
ENV NODE_ENV=production
ENV PORT=5000

# Expose the application port
EXPOSE 5000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node -e "require('http').get('http://localhost:5000/api/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

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