digraph deployment {
    rankdir=TB
    bgcolor="#0a0e17"
    fontname="Helvetica"
    node [fontname="Helvetica" fontsize=10 style=filled color="#1e2a4a" fontcolor="#e8eaf0"]
    edge [fontname="Helvetica" fontsize=9 fontcolor="#8892a8" color="#4a5568"]

    label="Deployment — Kind Cluster (dev) / EC2 (prod)"
    labelloc=t
    fontsize=14
    fontcolor="#0066ff"

    user [label="Browser\nlocalhost:8040" fillcolor="#243056" shape=box]

    subgraph cluster_kind {
        label="Kind Cluster: unt  (namespace: unt)"
        color="#0066ff"
        fontcolor="#0066ff"
        style=rounded

        subgraph cluster_frontend_pod {
            label="Pod: ui"
            color="#1e2a4a"
            fontcolor="#4a5568"
            ui [label="nginx\n:80\n\nVue SPA\nProxy → api:8000" fillcolor="#121829" shape=box]
            ui_svc [label="Service: ui\nNodePort 30040" fillcolor="#0d1a33" shape=diamond fontsize=9]
        }

        subgraph cluster_api_pod {
            label="Pod: api"
            color="#1e2a4a"
            fontcolor="#4a5568"
            api [label="uvicorn\n:8000\n\nFastAPI\nMCP clients (stdio)\nLangGraph agents" fillcolor="#121829" shape=box]
            api_svc [label="Service: api\nClusterIP" fillcolor="#0d1a33" shape=diamond fontsize=9]
        }

        subgraph cluster_langfuse_pod {
            label="Pod: langfuse"
            color="#1e2a4a"
            fontcolor="#4a5568"
            langfuse [label="Langfuse\n:3000\n\nTrace viewer" fillcolor="#121829" shape=box]
            langfuse_svc [label="Service: langfuse\nNodePort 30030" fillcolor="#0d1a33" shape=diamond fontsize=9]
        }

        subgraph cluster_pg_pod {
            label="Pod: postgres"
            color="#1e2a4a"
            fontcolor="#4a5568"
            pg [label="PostgreSQL\n:5432\n\nLangfuse data" fillcolor="#121829" shape=cylinder]
            pg_svc [label="Service: postgres\nClusterIP" fillcolor="#0d1a33" shape=diamond fontsize=9]
        }
    }

    subgraph cluster_external {
        label="External APIs"
        color="#00c853"
        fontcolor="#00c853"
        style=dashed
        ext_weather [label="OpenMeteo" fillcolor="#0d2a0d" shape=octagon fontcolor="#00c853"]
        ext_faa [label="FAA" fillcolor="#0d2a0d" shape=octagon fontcolor="#00c853"]
        ext_bedrock [label="AWS Bedrock" fillcolor="#243056" shape=octagon]
        ext_kong [label="Kong Konnect\n(optional)" fillcolor="#243056" shape=octagon style="filled,dashed"]
    }

    // Port mappings
    user -> ui_svc [label="host:8040 → 30040" color="#0066ff"]
    ui_svc -> ui
    ui -> api_svc [label="proxy"]
    api_svc -> api

    api -> ext_weather [label="HTTP" color="#00c853"]
    api -> ext_faa [label="HTTP" color="#00c853"]
    api -> ext_bedrock [label="Converse API" style=dashed]
    api -> langfuse_svc [label="traces" style=dotted]

    langfuse_svc -> langfuse
    langfuse -> pg_svc
    pg_svc -> pg

    user -> ext_kong [style=dashed label="(optional)" color="#4a5568"]
    ext_kong -> ui_svc [style=dashed color="#4a5568"]
}