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AI News Platform - Architecture Diagrams in Mermaid

1. CMS-Centric Domain Architecture

graph TB
    %% Styling
    classDef discovery fill:#e3f2fd,stroke:#1976d2,stroke-width:2px
    classDef intelligence fill:#f3e5f5,stroke:#7b1fa2,stroke-width:2px
    classDef transform fill:#e8f5e9,stroke:#388e3c,stroke-width:2px
    classDef cms fill:#fff8e1,stroke:#ffa000,stroke-width:3px
    classDef consumer fill:#e8f5e9,stroke:#4caf50,stroke-width:2px
    classDef support fill:#f3e5f5,stroke:#9c27b0,stroke-width:2px
    classDef infra fill:#e3f2fd,stroke:#2196f3,stroke-width:2px

    %% Content Processing Pipeline
    subgraph Pipeline["Content Processing Pipeline"]
        Discovery["Content Discovery<br/>• Web Scrapers<br/>• RSS Feed Readers<br/>• API Collectors<br/>• Source Manager"]:::discovery
        Intelligence["Content Intelligence<br/>• AI Summarization<br/>• Scoring & Ranking<br/>• Entity Extraction<br/>• Deduplication"]:::intelligence
        Transform["Content Transformation<br/>• Format Standardization<br/>• Metadata Enrichment<br/>• Category Assignment<br/>• Media Processing"]:::transform

        Discovery -->|Raw Content| Intelligence
        Intelligence -->|Enriched Content| Transform
    end

    %% CMS Core
    subgraph CMS["Centralized CMS (Strapi/Directus/Sanity)"]
        Repository["Content Repository<br/>• Structured Content Models<br/>• Version Control"]:::cms
        Publishing["Publishing Engine<br/>• Workflow Management<br/>• Scheduled Publishing"]:::cms
        API["API Layer<br/>• REST API<br/>• GraphQL API"]:::cms
        Personalization["Personalization Engine<br/>• User Segments<br/>• Content Targeting"]:::cms
        CDN["CDN Integration<br/>• Edge Caching<br/>• Global Distribution"]:::cms
        Analytics["Analytics & Insights<br/>• Content Performance<br/>• User Engagement"]:::cms
    end

    %% Content Consumers
    subgraph Consumers["Content Consumers"]
        Web["Web Application<br/>Next.js/Gatsby<br/>SSG/ISR"]:::consumer
        Mobile["Mobile Apps<br/>React Native<br/>Offline Support"]:::consumer
        Email["Email Service<br/>Newsletter Builder<br/>Digest Generator"]:::consumer
        ThirdParty["Third-party Apps<br/>API Integration<br/>Webhooks"]:::consumer
    end

    %% Supporting Services
    subgraph Support["Supporting Services"]
        UserMgmt["User Management<br/>• Authentication<br/>• Preferences"]:::support
        Queue["Queue System<br/>• Bull/RabbitMQ<br/>• Job Processing"]:::support
        Search["Search Service<br/>• Algolia/Elastic<br/>• Faceted Search"]:::support
    end

    %% Infrastructure
    subgraph Infra["Infrastructure"]
        Database["Database<br/>• PostgreSQL<br/>• Redis Cache"]:::infra
        Storage["Storage<br/>• S3/Cloudinary<br/>• Media Assets"]:::infra
        Monitoring["Monitoring<br/>• Sentry<br/>• Analytics"]:::infra
    end

    %% Connections
    Transform -->|CMS-Ready Content| CMS
    CMS -->|Content Delivery| Consumers
    Support -.->|Services| CMS
    Infra -.->|Infrastructure| CMS
    Queue -.->|Async Processing| Pipeline

2. Technical Implementation Architecture

graph TB
    %% Styling
    classDef client fill:#e3f2fd,stroke:#1976d2,stroke-width:2px
    classDef gateway fill:#f3e5f5,stroke:#7b1fa2,stroke-width:2px
    classDef service fill:#e8f5e9,stroke:#388e3c,stroke-width:2px
    classDef data fill:#fff3e0,stroke:#f57c00,stroke-width:2px
    classDef infra fill:#e8eaf6,stroke:#3f51b5,stroke-width:2px
    classDef external fill:#ffebee,stroke:#d32f2f,stroke-width:2px

    %% Client Layer
    subgraph Clients["Client Layer"]
        WebApp["Web App<br/>React/Next.js<br/>PWA Support"]:::client
        MobileApp["Mobile Apps<br/>React Native<br/>iOS/Android"]:::client
        APIClient["API Clients<br/>REST/GraphQL<br/>SDKs"]:::client
        EmailClient["Email Clients<br/>Newsletter<br/>Digest Delivery"]:::client
    end

    %% API Gateway
    subgraph Gateway["API Gateway & Load Balancer"]
        Kong["Kong / AWS API Gateway<br/>Rate Limiting, Auth, Routing"]:::gateway
        CloudFront["CloudFront CDN<br/>Static Assets, Edge Caching"]:::gateway
        WAF["WAF<br/>Security, DDoS Protection"]:::gateway
    end

    %% Microservices
    subgraph Services["Microservices Layer (Kubernetes)"]
        direction TB

        subgraph Discovery["Content Discovery"]
            Crawler["Crawler Service<br/>(Python)"]:::service
            SourceMgr["Source Manager<br/>(Go)"]:::service
            RSSParser["RSS Parser<br/>(Node.js)"]:::service
            APICollector["API Collector<br/>(Python)"]:::service
        end

        subgraph Intel["Content Intelligence"]
            MLScorer["ML Scorer<br/>(Python/TF)"]:::service
            NLP["NLP Service<br/>(Python)"]:::service
            DedupEngine["Dedup Engine<br/>(Go)"]:::service
            TrendAnalyzer["Trend Analyzer<br/>(Python)"]:::service
        end

        subgraph Synthesis["Knowledge Synthesis"]
            Summarizer["Summarizer<br/>(Python/GPT)"]:::service
            GraphBuilder["Graph Builder<br/>(Neo4j)"]:::service
            PathGen["Path Generator<br/>(Go)"]:::service
            InsightEngine["Insight Engine<br/>(Python)"]:::service
        end

        subgraph Personal["Personalization"]
            ProfileSvc["Profile Service<br/>(Go)"]:::service
            Recommender["Recommender<br/>(Python)"]:::service
            ProgressTracker["Progress Tracker<br/>(Node)"]:::service
            AnalyticsEngine["Analytics Engine<br/>(Go)"]:::service
        end

        subgraph Dist["Distribution"]
            DigestBuilder["Digest Builder<br/>(Node)"]:::service
            EmailSvc["Email Service<br/>(Go)"]:::service
            PushSvc["Push Service<br/>(Node)"]:::service
            APISvr["API Server<br/>(Go)"]:::service
        end
    end

    %% Data Layer
    subgraph DataLayer["Data & Messaging Layer"]
        Kafka["Apache Kafka<br/>Event Streaming"]:::data
        Redis["Redis Cluster<br/>Cache & Sessions"]:::data
        Postgres["PostgreSQL<br/>Transactional Data"]:::data
        Elastic["Elasticsearch<br/>Search & Analytics"]:::data
        Neo4j["Neo4j<br/>Knowledge Graph"]:::data
        S3["S3<br/>Object Storage"]:::data
    end

    %% Infrastructure
    subgraph Infrastructure["Infrastructure & Operations"]
        Monitoring["Monitoring<br/>Prometheus<br/>Grafana"]:::infra
        Logging["Logging<br/>ELK Stack<br/>Fluentd"]:::infra
        ServiceMesh["Service Mesh<br/>Istio<br/>Envoy"]:::infra
        CICD["CI/CD<br/>GitLab CI<br/>ArgoCD"]:::infra
        Security["Security<br/>Vault<br/>OAuth2/JWT"]:::infra
    end

    %% External Services
    External["External Services<br/>OpenAI API | Claude API | SendGrid | Stripe | Auth0"]:::external
    Cloud["AWS Cloud Infrastructure<br/>EKS | RDS | ElastiCache | Route53 | VPC"]:::external

    %% Connections
    Clients --> Gateway
    Gateway --> Services
    Services --> DataLayer
    DataLayer --> Infrastructure
    Services -.-> External
    Infrastructure -.-> Cloud

3. Data Flow Diagram

sequenceDiagram
    participant ES as External Sources
    participant CD as Content Discovery
    participant CI as Content Intelligence
    participant CT as Content Transform
    participant CMS as CMS System
    participant Cache as CDN/Cache
    participant Client as Client Apps

    ES->>CD: RSS/API/Web Content
    CD->>CI: Raw Content
    CI->>CT: Analyzed Content
    CT->>CMS: Structured Content
    CMS->>Cache: Publish Content
    Client->>Cache: Request Content
    Cache-->>Client: Cached Response

    Note over CMS: Handles versioning,<br/>workflows, and APIs
    Note over Cache: Global edge<br/>distribution

4. Simplified MVP Architecture

graph LR
    %% Styling
    classDef process fill:#e3f2fd,stroke:#1976d2,stroke-width:2px
    classDef cms fill:#fff8e1,stroke:#ffa000,stroke-width:3px
    classDef app fill:#e8f5e9,stroke:#4caf50,stroke-width:2px

    %% Components
    Sources["Content Sources<br/>• RSS Feeds<br/>• APIs<br/>• Websites"]:::process
    Processor["Content Processor<br/>• Python/Celery<br/>• Scoring<br/>• Summarization"]:::process
    Strapi["Strapi CMS<br/>• Content Storage<br/>• API Generation<br/>• Admin UI"]:::cms
    NextJS["Next.js App<br/>• ISR/SSG<br/>• User Interface"]:::app
    Email["Email Service<br/>• SendGrid<br/>• Digests"]:::app

    %% Flow
    Sources -->|Scrape| Processor
    Processor -->|Process| Strapi
    Strapi -->|API| NextJS
    Strapi -->|Webhook| Email

    %% Infrastructure
    subgraph Infrastructure
        PostgreSQL[(PostgreSQL)]
        Redis[(Redis Cache)]
        S3[(S3 Storage)]
    end

    Strapi -.-> Infrastructure

5. Advantages vs Challenges

graph TD
    subgraph Advantages
        A1[Rapid MVP Development<br/>4-6 weeks]
        A2[Built-in Admin UI]
        A3[Proven Infrastructure]
        A4[Easy Integrations]
        A5[Lower Complexity]
        A6[Version Control]
    end

    subgraph Challenges
        C1[Scale Limitations<br/>>100k items]
        C2[Real-time Constraints]
        C3[Complex Personalization]
        C4[Licensing Costs]
        C5[Vendor Lock-in]
        C6[ML Pipeline Limits]
    end

    CMS[CMS-Centric<br/>Architecture] --> Advantages
    CMS --> Challenges

    style Advantages fill:#e8f5e9,stroke:#4caf50
    style Challenges fill:#ffebee,stroke:#f44336
    style CMS fill:#fff8e1,stroke:#ffa000