🚀 Production Readiness: Security, Monitoring & Performance Improvements

.env.example

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+# ===========================================
+# Codeunia Environment Variables
+# ===========================================
+# Copy this file to .env.local and fill in your actual values
+
+# ===========================================
+# Core Application Settings
+# ===========================================
+NODE_ENV=development
+NEXT_PUBLIC_SITE_URL=http://localhost:3000
+
+# ===========================================
+# Supabase Configuration
+# ===========================================
+NEXT_PUBLIC_SUPABASE_URL=your_supabase_project_url
+NEXT_PUBLIC_SUPABASE_ANON_KEY=your_supabase_anon_key
+SUPABASE_SERVICE_ROLE_KEY=your_supabase_service_role_key
+
+# ===========================================
+# Authentication & Security
+# ===========================================
+NEXTAUTH_SECRET=your_nextauth_secret_key
+CSRF_SECRET=your_csrf_secret_key
+
+# ===========================================
+# Monitoring & Alerting System
+# ===========================================
+# Enable/disable alerting system
+ALERTING_ENABLED=true
+
+# Email alerting configuration
+ALERT_EMAIL_RECIPIENTS=connect@codeunia.com
+RESEND_API_KEY=your_resend_api_key
+
+# Alert thresholds
+ALERT_RESPONSE_TIME_THRESHOLD=5000
+ALERT_ERROR_RATE_THRESHOLD=10
+ALERT_CONSECUTIVE_FAILURES=3
+
+# Optional: Webhook URLs for additional alerting
+ALERT_WEBHOOK_URL=your_webhook_url
+SLACK_WEBHOOK_URL=your_slack_webhook_url
+DISCORD_WEBHOOK_URL=your_discord_webhook_url
+
+# ===========================================
+# Database & Caching
+# ===========================================
+# Redis configuration for caching
+REDIS_URL=redis://localhost:6379
+
+# ===========================================
+# Payment Integration
+# ===========================================
+# Razorpay configuration
+RAZORPAY_KEY_ID=your_razorpay_key_id
+RAZORPAY_KEY_SECRET=your_razorpay_key_secret
+
+# ===========================================
+# AI Integration
+# ===========================================
+# OpenRouter API for AI features
+OPENROUTER_API_KEY=your_openrouter_api_key
+
+# ===========================================
+# SEO & Analytics
+# ===========================================
+# Search engine verification codes
+GOOGLE_SITE_VERIFICATION=your_google_verification_code
+BING_VERIFICATION=your_bing_verification_code
+YANDEX_VERIFICATION=your_yandex_verification_code
+YAHOO_VERIFICATION=your_yahoo_verification_code
+
+# ===========================================
+# Build & Deployment
+# ===========================================
+# Vercel deployment
+VERCEL_URL=your_vercel_url
+VERCEL_GIT_COMMIT_SHA=your_git_commit_sha
+
+# GitHub Actions
+GITHUB_SHA=your_github_sha
+
+# Build configuration
+BUILD_ID=your_build_id
+ANALYZE=false
+
+# ===========================================
+# Development & Testing
+# ===========================================
+# Puppeteer configuration
+PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true
+PUPPETEER_CACHE_DIR=/tmp/.cache/puppeteer
+
+# Node.js memory configuration
+NODE_OPTIONS=--max-old-space-size=4096
+
+# ===========================================
+# Security & Rate Limiting
+# ===========================================
+# Rate limiting configuration
+RATE_LIMIT_ENABLED=true
+RATE_LIMIT_MAX_REQUESTS=100
+RATE_LIMIT_WINDOW_MS=900000
+
+# ===========================================
+# Optional: Third-party Services
+# ===========================================
+# Cloudflare (if using Cloudflare for caching)
+CLOUDFLARE_API_TOKEN=your_cloudflare_api_token
+CLOUDFLARE_ZONE_ID=your_cloudflare_zone_id
+
+# ===========================================
+# Production-specific Settings
+# ===========================================
+# Uncomment and configure for production
+# NODE_ENV=production
+# NEXT_PUBLIC_SITE_URL=https://your-domain.com
+# ALERTING_ENABLED=true
+# REDIS_URL=redis://your-production-redis-url
+
+# ===========================================
+# CI/CD & Testing
+# ===========================================
+# Test environment URLs
+STAGING_URL=https://your-staging-url.vercel.app
+PRODUCTION_URL=https://your-production-url.vercel.app
+
+# Lighthouse CI
+LHCI_GITHUB_APP_TOKEN=your_lighthouse_ci_token
+
+# Codecov
+CODECOV_TOKEN=your_codecov_token
+
+# Vercel deployment tokens (for GitHub Actions)
+VERCEL_TOKEN=your_vercel_token
+VERCEL_ORG_ID=your_vercel_org_id
+VERCEL_PROJECT_ID=your_vercel_project_id