```plaintext
%% Internal Registry for CI/CD (ADR-0020)
%% Flowchart showing dual-path for external vs internal access

flowchart TB
    subgraph external["🌐 External Access"]
        internet["Internet"]
        cloudflare["☁️ Cloudflare<br/>⚠️ 100MB upload limit"]
        external_url["git.daviestechlabs.io"]
    end

    subgraph internal["🏠 Internal Access"]
        internal_url["registry.lab.daviestechlabs.io<br/>✅ No upload limits"]
    end

    subgraph gitea["📦 Gitea Instance"]
        direction TB
        git_server["Git Server"]
        docker_registry["Docker Registry"]
        pypi_registry["PyPI Registry"]
    end

    subgraph runners["🏃 CI/CD Runners"]
        gitea_runner["Gitea Actions Runner<br/>(in-cluster)"]
    end

    subgraph operations["📋 Operations"]
        small_ops["Small Operations<br/>• git clone/push<br/>• pip install<br/>• docker pull"]
        large_ops["Large Uploads<br/>• docker push (20GB+)<br/>• pypi upload"]
    end

    %% External path (limited)
    internet --> cloudflare
    cloudflare -->|"100MB limit"| external_url
    external_url --> gitea
    small_ops --> cloudflare

    %% Internal path (unlimited)
    gitea_runner -->|"Direct"| internal_url
    internal_url --> gitea
    large_ops --> internal_url

    classDef external fill:#e74c3c,color:white
    classDef internal fill:#27ae60,color:white
    classDef gitea fill:#f39c12,color:black
    classDef runner fill:#3498db,color:white

    class internet,cloudflare,external_url external
    class internal_url internal
    class git_server,docker_registry,pypi_registry gitea
    class gitea_runner runner

```