graph TB
    subgraph "studio einszwovier Web Platform"
        LP[🏠 Landing Page<br/>Port 80]
        About[ℹ️ About Page<br/>/about]
        CostCalc[💰 Cost Calculator<br/>/cost]

        LP --> About
        LP --> CostCalc
    end

    subgraph "Services Accessible from Landing Page"
        BookStack[📚 BookStack<br/>Port 6875<br/>Wissenssammlung]
        OpenWebUI[🤖 Open WebUI<br/>Port 8080<br/>LLM Chatbot]
        JupyterHub[📓 JupyterHub<br/>Port 8001<br/>Python Notebooks]
        Forgejo[🦊 Forgejo<br/>Port 3003<br/>Git Server]
        ElementWeb[💬 Element Web<br/>Port 8082<br/>Matrix Chat]
        Portainer[🐳 Portainer<br/>Port 9000<br/>Admin Panel]

        LP -.->|Link| BookStack
        LP -.->|Link| OpenWebUI
        LP -.->|Link| JupyterHub
        LP -.->|Link| Forgejo
        LP -.->|Link| ElementWeb
        LP -.->|Link| Portainer
    end

    subgraph "Backend Services"
        Synapse[📨 Synapse<br/>Port 8008<br/>Matrix Server]
        Ollama[🔮 Ollama<br/>Port 11434<br/>LLM Engine]
        MariaDB[(💾 MariaDB<br/>BookStack DB)]

        ElementWeb --> Synapse
        OpenWebUI --> Ollama
        BookStack --> MariaDB
        CostCalc --> Synapse
    end

    subgraph "Educational Resources"
        Notebooks[📒 Drone Programming<br/>djitellopy Package]
        GitRepos[📦 Code Repositories<br/>Project Source]
        Knowledge[📖 Documentation<br/>Guides & Tutorials]

        JupyterHub --> Notebooks
        Forgejo --> GitRepos
        BookStack --> Knowledge
    end

    subgraph "Persistent Storage"
        PDFUploads[📁 PDF Files<br/>data/uploads/]
        CoursesCSV[📋 Courses CSV<br/>data/courses.csv]
        MatrixData[(🗄️ Matrix Data<br/>matrix/data/)]
        JupyterVols[(💾 Jupyter Volumes<br/>User Workspaces)]
        ForgejoData[(📚 Forgejo Data<br/>forgejo/data/)]

        CostCalc --> PDFUploads
        About --> CoursesCSV
        Synapse --> MatrixData
        JupyterHub --> JupyterVols
        Forgejo --> ForgejoData
    end

    subgraph "Infrastructure"
        Watchtower[🔄 Watchtower<br/>Auto-Updates<br/>Every 24h]
        Network[🌐 einszwovier_network<br/>Docker Network]
    end

    classDef webapp fill:#e3f2fd,stroke:#1976d2,stroke-width:2px
    classDef service fill:#fff3e0,stroke:#f57c00,stroke-width:2px
    classDef backend fill:#e8f5e9,stroke:#388e3c,stroke-width:2px
    classDef storage fill:#f3e5f5,stroke:#7b1fa2,stroke-width:2px
    classDef edu fill:#fce4ec,stroke:#c2185b,stroke-width:2px
    classDef infra fill:#fafafa,stroke:#616161,stroke-width:2px

    class LP,About,CostCalc webapp
    class BookStack,OpenWebUI,JupyterHub,Forgejo,ElementWeb,Portainer service
    class Synapse,Ollama,MariaDB backend
    class PDFUploads,CoursesCSV,MatrixData,JupyterVols,ForgejoData storage
    class Notebooks,GitRepos,Knowledge edu
    class Watchtower,Network infra