|
| 1 | +# Introduction to Core Web |
| 2 | + |
| 3 | +Core Web is a comprehensive, production-ready web platform built with Rust that provides everything you need to build scalable, secure, and high-performance web applications. With support for multiple protocols, advanced security features, and enterprise-grade observability, Core Web is designed to handle the most demanding workloads. |
| 4 | + |
| 5 | +## 🎯 Project Goals |
| 6 | + |
| 7 | +Core Web was created with the following goals in mind: |
| 8 | + |
| 9 | +1. **Performance**: Leverage Rust's zero-cost abstractions and memory safety to deliver exceptional performance |
| 10 | +2. **Scalability**: Design for horizontal scaling and high concurrency |
| 11 | +3. **Security**: Implement security best practices at every level |
| 12 | +4. **Observability**: Provide comprehensive monitoring and debugging capabilities |
| 13 | +5. **Developer Experience**: Offer excellent tooling and documentation |
| 14 | +6. **Flexibility**: Support multiple protocols and deployment options |
| 15 | + |
| 16 | +## ✨ Key Features |
| 17 | + |
| 18 | +### 🌐 Multi-Protocol Support |
| 19 | +- **REST API** with full CRUD operations, pagination, and ETags |
| 20 | +- **GraphQL** with schema and resolvers |
| 21 | +- **gRPC** with Protocol Buffer service contracts |
| 22 | +- **WebSocket/SSE** for real-time communication |
| 23 | + |
| 24 | +### 🗄️ Multi-Database Integration |
| 25 | +- **MySQL** - Primary transactional database |
| 26 | +- **Redis** - Caching, session storage, and pub/pub messaging |
| 27 | +- **MongoDB** - Document storage for flexible schemas |
| 28 | +- **ClickHouse** - Analytics and time-series data warehouse |
| 29 | + |
| 30 | +### 🔒 Advanced Security |
| 31 | +- **Authentication**: JWT, OIDC, and API key support |
| 32 | +- **Authorization**: RBAC and ABAC with Casbin/Cedar |
| 33 | +- **Security Headers**: HSTS, CSP, CORS/CSRF protection |
| 34 | +- **Compliance**: Data protection regulation compliance |
| 35 | + |
| 36 | +### 📈 Observability & Monitoring |
| 37 | +- **Distributed Tracing** with OpenTelemetry |
| 38 | +- **Metrics Collection** and dashboarding |
| 39 | +- **Structured Logging** with multiple output formats |
| 40 | +- **Health Checks** with Kubernetes-ready endpoints |
| 41 | + |
| 42 | +### ⚡ Performance & Resilience |
| 43 | +- **Caching Layers**: In-memory (Moka) and Redis distributed caching |
| 44 | +- **Resilience Patterns**: Retry, Circuit Breaker, Bulkhead, Timeout |
| 45 | +- **Rate Limiting**: Token bucket algorithm |
| 46 | +- **Idempotency**: Redis-backed POST idempotency |
| 47 | + |
| 48 | +## 🏗️ Architecture Overview |
| 49 | + |
| 50 | +``` |
| 51 | +┌─────────────────────────────────────────────────────────────┐ |
| 52 | +│ Load Balancer/Proxy │ |
| 53 | +└─────────────────────┬───────────────────────────────────────┘ |
| 54 | + │ |
| 55 | +┌─────────────────────┴───────────────────────────────────────┐ |
| 56 | +│ Core Web Server (8080) │ |
| 57 | +│ ┌─────────────┐ ┌─────────────┐ ┌─────────────────────┐ │ |
| 58 | +│ │ REST API │ │ GraphQL │ │ gRPC │ │ |
| 59 | +│ └─────────────┘ └─────────────┘ └─────────────────────┘ │ |
| 60 | +│ ┌─────────────────────────────────────────────────────────┐ │ |
| 61 | +│ │ Authentication & AuthZ │ │ |
| 62 | +│ └─────────────────────────────────────────────────────────┘ │ |
| 63 | +└─────────────────────┬───────────────────────────────────────┘ |
| 64 | + │ |
| 65 | + ┌─────────────┼─────────────┐ ┌────────────┐ |
| 66 | + │ │ │ │ │ |
| 67 | +┌───────▼──┐ ┌──────▼──┐ ┌───────▼──┐ ┌──────▼──┐ ┌─────▼──────┐ |
| 68 | +│ MySQL │ │ Redis │ │ MongoDB │ │ClickHouse│ │ WASM Host │ |
| 69 | +│ (Primary)│ │(Caching)│ │(Documents)│ │(Analytics)│ │ (Plugins) │ |
| 70 | +└──────────┘ └─────────┘ └──────────┘ └──────────┘ └────────────┘ |
| 71 | + │ │ │ │ │ |
| 72 | + └─────────────┼─────────────┘ │ │ |
| 73 | + │ │ │ |
| 74 | + ┌───────▼───────┐ ┌───────▼──────┐ │ |
| 75 | + │ Job Workers │ │ Events │ │ |
| 76 | + │ (Background) │ │ (Streaming) │ │ |
| 77 | + └───────────────┘ └──────────────┘ │ |
| 78 | + │ │ │ |
| 79 | + ┌───────▼───────┐ ┌───────▼──────┐ │ |
| 80 | + │ Outbox Pattern│ │ Redis Streams│ │ |
| 81 | + │ Publisher │ │ Consumer │ │ |
| 82 | + └───────────────┘ └──────────────┘ │ |
| 83 | + │ |
| 84 | + ┌───────▼───────┐ |
| 85 | + │ Admin Dashboard│ |
| 86 | + │ (Yew/WASM) │ |
| 87 | + └───────────────┘ |
| 88 | +``` |
| 89 | + |
| 90 | +## 📦 Components |
| 91 | + |
| 92 | +Core Web consists of several components working together: |
| 93 | + |
| 94 | +1. **Main Web Server** - The primary application server handling HTTP requests |
| 95 | +2. **Jobs Worker** - Background job processing service |
| 96 | +3. **WebSocket Gateway** - Real-time communication gateway |
| 97 | +4. **CLI Tool** - Command-line interface for managing the application |
| 98 | +5. **WASM Plugin Host** - WebAssembly plugin system for extensibility |
| 99 | + |
| 100 | +## 🚀 Why Core Web? |
| 101 | + |
| 102 | +Core Web stands out from other web frameworks because: |
| 103 | + |
| 104 | +- **Built with Rust**: Memory safety without garbage collection |
| 105 | +- **Production Ready**: Enterprise-grade features out of the box |
| 106 | +- **Multi-Protocol**: Support for REST, GraphQL, gRPC, and WebSockets |
| 107 | +- **Observability First**: Comprehensive monitoring and tracing |
| 108 | +- **Security Focused**: Multiple authentication and authorization methods |
| 109 | +- **Highly Scalable**: Designed for horizontal scaling |
| 110 | +- **Extensible**: Plugin system for custom functionality |
| 111 | + |
| 112 | +## 📚 Next Steps |
| 113 | + |
| 114 | +To get started with Core Web: |
| 115 | + |
| 116 | +1. Check out the [Quick Start Guide](Quick-Start-Guide.md) |
| 117 | +2. Review the [Architecture](Architecture.md) documentation |
| 118 | +3. Explore the [API Reference](API-Reference.md) |
| 119 | +4. Learn about [Deployment](Deployment.md) options |
| 120 | + |
| 121 | +Join our community and start building amazing applications with Core Web today! |
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