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docs: embed Caddy 反向代理架構 visual diagram in README

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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Timmy
2026-04-21 16:19:55 +08:00
parent 7bfe4fcde6
commit c30abe2e83
3 changed files with 503 additions and 0 deletions
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5
README.md
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@@ -23,6 +23,7 @@
| [groups-and-policies.md](./groups-and-policies.md) | Groups 與 Access Control Policies 概念、設計、API 操作 |
| [network-routes.md](./network-routes.md) | Subnet Router（`home-lan`）與 Exit Nodes（`exit-ct100`、`exit-virmach-lax`） |
| [ssh-access.md](./ssh-access.md) | 一般 SSH vs NetBird 內建 SSH — 常見混淆點釐清 |
| [caddy-netbird-diagram.html](./caddy-netbird-diagram.html) | Caddy 反向代理架構的視覺化示意圖（瀏覽器開啟） |
| [SUMMARY.md](./SUMMARY.md) | 部署摘要與疑難排解記錄 |
## 快速開始
@@ -37,6 +38,10 @@ netbird up --management-url http://192.168.42.127
## 架構
![Caddy 反向代理架構](./caddy-netbird-diagram.svg)
> 互動 / 動畫版：[caddy-netbird-diagram.html](./caddy-netbird-diagram.html)（用瀏覽器開）
```
┌───────────────────────┐
│ 192.168.42.127 │

331
caddy-netbird-diagram.html Normal file
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@@ -0,0 +1,331 @@
<!DOCTYPE html>
<html lang="zh-Hant">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Caddy 反向代理架構</title>
<link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@500;700&family=Space+Grotesk:wght@500;700&display=swap" rel="stylesheet">
<style>
:root {
--bg: #0f1419;
--bg-2: #1a2129;
--border: #2d3942;
--text: #e6edf3;
--text-muted: #8b98a5;
--caddy: #1dd1a1;
--yellow: #ffd166;
--cyan: #5ec9d6;
--purple: #a29bfe;
--pink: #ff6b9d;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
font-family: 'Space Grotesk', sans-serif;
background: radial-gradient(ellipse at top, #1a2129 0%, #0f1419 60%);
color: var(--text);
padding: 20px;
min-height: 100vh;
}
.container { max-width: 1100px; margin: 0 auto; }
h1 {
font-size: clamp(1.4rem, 4vw, 2rem);
font-weight: 700;
letter-spacing: -0.02em;
margin-bottom: 4px;
}
.sub {
font-family: 'JetBrains Mono', monospace;
color: var(--text-muted);
font-size: 0.85rem;
margin-bottom: 20px;
}
.sub .ip { color: var(--cyan); }
.diagram-wrap {
background: var(--bg-2);
border: 1px solid var(--border);
border-radius: 16px;
padding: 16px;
position: relative;
overflow: hidden;
}
.diagram-wrap::before {
content: '';
position: absolute;
inset: 0;
background-image:
linear-gradient(rgba(94,201,214,0.04) 1px, transparent 1px),
linear-gradient(90deg, rgba(94,201,214,0.04) 1px, transparent 1px);
background-size: 24px 24px;
pointer-events: none;
}
svg { display: block; width: 100%; height: auto; position: relative; z-index: 1; }
.legend {
display: flex;
gap: 18px;
flex-wrap: wrap;
margin-top: 16px;
padding-top: 14px;
border-top: 1px dashed var(--border);
font-family: 'JetBrains Mono', monospace;
font-size: 0.78rem;
color: var(--text-muted);
}
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }
</style>
</head>
<body>
<div class="container">
<h1>Caddy 反向代理架構</h1>
<div class="sub">host: <span class="ip">192.168.42.127</span></div>
<div class="diagram-wrap">
<svg viewBox="0 0 1020 620" xmlns="http://www.w3.org/2000/svg">
<defs>
<marker id="ar-y" viewBox="0 0 10 10" refX="9" refY="5" markerWidth="7" markerHeight="7" orient="auto">
<path d="M 0 0 L 10 5 L 0 10 z" fill="#ffd166"/>
</marker>
<marker id="ar-c" viewBox="0 0 10 10" refX="9" refY="5" markerWidth="7" markerHeight="7" orient="auto">
<path d="M 0 0 L 10 5 L 0 10 z" fill="#5ec9d6"/>
</marker>
<marker id="ar-p" viewBox="0 0 10 10" refX="9" refY="5" markerWidth="7" markerHeight="7" orient="auto">
<path d="M 0 0 L 10 5 L 0 10 z" fill="#a29bfe"/>
</marker>
<marker id="ar-pk" viewBox="0 0 10 10" refX="9" refY="5" markerWidth="7" markerHeight="7" orient="auto">
<path d="M 0 0 L 10 5 L 0 10 z" fill="#ff6b9d"/>
</marker>
<filter id="glow" x="-50%" y="-50%" width="200%" height="200%">
<feGaussianBlur stdDeviation="2.5" result="blur"/>
<feMerge>
<feMergeNode in="blur"/>
<feMergeNode in="SourceGraphic"/>
</feMerge>
</filter>
<linearGradient id="caddy-grad" x1="0" y1="0" x2="1" y2="1">
<stop offset="0%" stop-color="#1dd1a1" stop-opacity="0.22"/>
<stop offset="100%" stop-color="#1dd1a1" stop-opacity="0.06"/>
</linearGradient>
<linearGradient id="host-grad" x1="0" y1="0" x2="0" y2="1">
<stop offset="0%" stop-color="#2d3942"/>
<stop offset="100%" stop-color="#1e2730"/>
</linearGradient>
<linearGradient id="nb-title-grad" x1="0" y1="0" x2="1" y2="0">
<stop offset="0%" stop-color="#5ec9d6" stop-opacity="0.12"/>
<stop offset="100%" stop-color="#5ec9d6" stop-opacity="0"/>
</linearGradient>
</defs>
<!-- ===== Left port labels (with padding) ===== -->
<g font-family="JetBrains Mono, monospace">
<rect x="20" y="174" width="48" height="26" rx="5"
fill="#0f1419" stroke="#ffd166" stroke-width="1.4"/>
<text x="44" y="192" text-anchor="middle" font-size="12" font-weight="700" fill="#ffd166">:80</text>
<rect x="10" y="475" width="80" height="26" rx="5"
fill="#0f1419" stroke="#ff6b9d" stroke-width="1.4"/>
<text x="50" y="493" text-anchor="middle" font-size="11" font-weight="700" fill="#ff6b9d">:3478/udp</text>
</g>
<!-- ===== HOST boundary ===== -->
<rect x="110" y="60" width="560" height="520" rx="14"
fill="url(#host-grad)" stroke="#3a4a58" stroke-width="1.5" stroke-dasharray="6 4"/>
<text x="130" y="88" font-family="JetBrains Mono, monospace" font-size="13"
fill="#5ec9d6" font-weight="700">host · 192.168.42.127</text>
<!-- ===== Caddy box ===== -->
<g>
<rect x="140" y="125" width="330" height="285" rx="10"
fill="url(#caddy-grad)" stroke="#1dd1a1" stroke-width="1.8"/>
<text x="160" y="153" font-family="Space Grotesk" font-size="15" font-weight="700" fill="#1dd1a1">Caddy</text>
<text x="213" y="153" font-family="Space Grotesk" font-size="13" font-weight="500" fill="#8b98a5">反向代理</text>
<circle cx="285" cy="148" r="5" fill="#1dd1a1" opacity="0.8">
<animate attributeName="r" values="5;11;5" dur="2s" repeatCount="indefinite"/>
<animate attributeName="opacity" values="0.8;0;0.8" dur="2s" repeatCount="indefinite"/>
</circle>
<circle cx="285" cy="148" r="3.5" fill="#1dd1a1"/>
<g font-family="JetBrains Mono, monospace" font-size="12.5">
<!-- / at y=186 (→ dashboard) -->
<g>
<rect x="160" y="170" width="290" height="32" rx="6" fill="#0f1419" stroke="#2d3942"/>
<text x="176" y="191" fill="#ffd166" font-weight="700">/</text>
<text x="438" y="191" text-anchor="end" fill="#8b98a5">→ dashboard</text>
</g>
<!-- Dashed divider between dashboard routes and netbird routes -->
<line x1="170" y1="222" x2="440" y2="222" stroke="#2d3942" stroke-width="1" stroke-dasharray="3 4"/>
<!-- /api/* at y=265 -->
<g>
<rect x="160" y="249" width="290" height="32" rx="6" fill="#0f1419" stroke="#2d3942"/>
<text x="176" y="270" fill="#ffd166" font-weight="700">/api/*</text>
<text x="438" y="270" text-anchor="end" fill="#8b98a5">→ netbird-server</text>
</g>
<!-- /oauth2/* at y=303 -->
<g>
<rect x="160" y="287" width="290" height="32" rx="6" fill="#0f1419" stroke="#2d3942"/>
<text x="176" y="308" fill="#ffd166" font-weight="700">/oauth2/*</text>
<text x="438" y="308" text-anchor="end" fill="#8b98a5">→ netbird-server</text>
</g>
<!-- /relay* at y=341 -->
<g>
<rect x="160" y="325" width="290" height="32" rx="6" fill="#0f1419" stroke="#2d3942"/>
<text x="176" y="346" fill="#ffd166" font-weight="700">/relay*</text>
<text x="438" y="346" text-anchor="end" fill="#8b98a5">→ netbird-server</text>
</g>
<!-- gRPC at y=379 -->
<g>
<rect x="160" y="363" width="290" height="32" rx="6" fill="#0f1419" stroke="#a29bfe"/>
<text x="176" y="384" fill="#a29bfe" font-weight="700">gRPC</text>
<text x="438" y="384" text-anchor="end" fill="#8b98a5">→ netbird-server</text>
</g>
</g>
</g>
<!-- ===== dashboard target ===== -->
<g>
<rect x="720" y="156" width="280" height="60" rx="10"
fill="#1e2730" stroke="#ffd166" stroke-width="1.6"/>
<!-- window icon -->
<g transform="translate(740, 170)">
<rect x="0" y="0" width="32" height="26" rx="3" fill="none" stroke="#ffd166" stroke-width="1.4"/>
<line x1="0" y1="7" x2="32" y2="7" stroke="#ffd166" stroke-width="1.2"/>
<circle cx="4" cy="3.5" r="1" fill="#ffd166"/>
<circle cx="8" cy="3.5" r="1" fill="#ffd166"/>
<circle cx="12" cy="3.5" r="1" fill="#ffd166"/>
</g>
<text x="790" y="182" font-family="Space Grotesk" font-size="14" font-weight="700" fill="#e6edf3">dashboard</text>
<text x="790" y="202" font-family="JetBrains Mono, monospace" font-size="11" fill="#8b98a5">Web UI</text>
</g>
<!-- ===== netbird-server target ===== -->
<g>
<!-- Outer box -->
<rect x="720" y="222" width="280" height="248" rx="10"
fill="#1e2730" stroke="#5ec9d6" stroke-width="1.6"/>
<!-- Title band at top (clearly separated from entries) -->
<rect x="720" y="222" width="280" height="30" rx="10"
fill="url(#nb-title-grad)"/>
<!-- mask bottom corners of title bg so only top rounded -->
<rect x="720" y="240" width="280" height="12" fill="url(#nb-title-grad)"/>
<!-- Server stack icon (small, inside title band) -->
<g transform="translate(734, 230)" stroke="#5ec9d6" stroke-width="1.3" fill="none">
<rect x="0" y="0" width="22" height="5" rx="1"/>
<rect x="0" y="7" width="22" height="5" rx="1"/>
<rect x="0" y="14" width="22" height="5" rx="1"/>
<circle cx="3" cy="2.5" r="0.7" fill="#5ec9d6" stroke="none"/>
<circle cx="3" cy="9.5" r="0.7" fill="#5ec9d6" stroke="none"/>
<circle cx="3" cy="16.5" r="0.7" fill="#5ec9d6" stroke="none"/>
</g>
<text x="765" y="242" font-family="Space Grotesk" font-size="14" font-weight="700" fill="#e6edf3">netbird-server</text>
<!-- Divider under title -->
<line x1="730" y1="254" x2="990" y2="254" stroke="#2d3942" stroke-width="1"/>
<!-- Entries (well below title, aligned with Caddy row centers) -->
<g font-family="JetBrains Mono, monospace" font-size="11.5">
<!-- HTTP API at y=265 -->
<circle cx="730" cy="265" r="3" fill="#5ec9d6"/>
<text x="742" y="269" fill="#8b98a5">HTTP API</text>
<!-- OAuth2 at y=303 -->
<circle cx="730" cy="303" r="3" fill="#5ec9d6"/>
<text x="742" y="307" fill="#8b98a5">OAuth2</text>
<!-- Relay at y=341 -->
<circle cx="730" cy="341" r="3" fill="#5ec9d6"/>
<text x="742" y="345" fill="#8b98a5">Relay</text>
<!-- gRPC at y=379 -->
<circle cx="730" cy="379" r="3" fill="#a29bfe"/>
<text x="742" y="383" fill="#8b98a5">gRPC</text>
<!-- STUN at y=440 -->
<circle cx="730" cy="440" r="3" fill="#ff6b9d"/>
<text x="742" y="444" fill="#ff6b9d" font-weight="700">STUN (:3478/udp)</text>
</g>
</g>
<!-- ===== Paths (all orthogonal) ===== -->
<!-- :80 → Caddy -->
<path id="p-in" d="M 68 187 L 140 187"
stroke="#ffd166" stroke-width="2" fill="none" marker-end="url(#ar-y)"/>
<!-- / → dashboard (straight horizontal) -->
<path id="p-dash" d="M 470 186 L 720 186"
stroke="#ffd166" stroke-width="1.8" fill="none" stroke-opacity="0.55" marker-end="url(#ar-y)"/>
<!-- /api/* → HTTP API (straight) -->
<path id="p-api" d="M 470 265 L 720 265"
stroke="#5ec9d6" stroke-width="1.8" fill="none" stroke-opacity="0.55" marker-end="url(#ar-c)"/>
<!-- /oauth2/* → OAuth2 (straight) -->
<path id="p-oauth" d="M 470 303 L 720 303"
stroke="#5ec9d6" stroke-width="1.8" fill="none" stroke-opacity="0.55" marker-end="url(#ar-c)"/>
<!-- /relay* → Relay (straight) -->
<path id="p-relay" d="M 470 341 L 720 341"
stroke="#5ec9d6" stroke-width="1.8" fill="none" stroke-opacity="0.55" marker-end="url(#ar-c)"/>
<!-- gRPC → gRPC (straight) -->
<path id="p-grpc" d="M 470 379 L 720 379"
stroke="#a29bfe" stroke-width="1.8" fill="none" stroke-opacity="0.65" marker-end="url(#ar-p)"/>
<!-- :3478/udp → netbird STUN (L-shape) -->
<path id="p-stun" d="M 90 488 L 690 488 L 690 440 L 720 440"
stroke="#ff6b9d" stroke-width="2" fill="none" stroke-dasharray="6 4" marker-end="url(#ar-pk)"/>
<text x="360" y="512" font-family="JetBrains Mono, monospace" font-size="11"
fill="#ff6b9d" font-weight="700">STUN · 直送，不經 Caddy</text>
<!-- ===== Flow dots ===== -->
<circle r="4" fill="#ffd166" filter="url(#glow)">
<animateMotion dur="1.4s" repeatCount="indefinite"><mpath href="#p-in"/></animateMotion>
</circle>
<circle r="4" fill="#ffd166" filter="url(#glow)">
<animateMotion dur="1.4s" begin="-0.7s" repeatCount="indefinite"><mpath href="#p-in"/></animateMotion>
</circle>
<circle r="4" fill="#ffd166" filter="url(#glow)">
<animateMotion dur="1.8s" repeatCount="indefinite"><mpath href="#p-dash"/></animateMotion>
</circle>
<circle r="4" fill="#5ec9d6" filter="url(#glow)">
<animateMotion dur="1.8s" begin="-0.3s" repeatCount="indefinite"><mpath href="#p-api"/></animateMotion>
</circle>
<circle r="4" fill="#5ec9d6" filter="url(#glow)">
<animateMotion dur="1.8s" begin="-0.6s" repeatCount="indefinite"><mpath href="#p-oauth"/></animateMotion>
</circle>
<circle r="4" fill="#5ec9d6" filter="url(#glow)">
<animateMotion dur="1.8s" begin="-0.9s" repeatCount="indefinite"><mpath href="#p-relay"/></animateMotion>
</circle>
<circle r="4" fill="#a29bfe" filter="url(#glow)">
<animateMotion dur="1.8s" begin="-1.2s" repeatCount="indefinite"><mpath href="#p-grpc"/></animateMotion>
</circle>
<circle r="4" fill="#ff6b9d" filter="url(#glow)">
<animateMotion dur="2.4s" repeatCount="indefinite"><mpath href="#p-stun"/></animateMotion>
</circle>
<circle r="4" fill="#ff6b9d" filter="url(#glow)">
<animateMotion dur="2.4s" begin="-1.2s" repeatCount="indefinite"><mpath href="#p-stun"/></animateMotion>
</circle>
</svg>
<div class="legend">
<div class="legend-item"><span class="legend-dot" style="background:#ffd166"></span>HTTP (/) → dashboard</div>
<div class="legend-item"><span class="legend-dot" style="background:#5ec9d6"></span>HTTP (/api, /oauth2, /relay) → netbird-server</div>
<div class="legend-item"><span class="legend-dot" style="background:#a29bfe"></span>gRPC → netbird-server</div>
<div class="legend-item"><span class="legend-dot" style="background:#ff6b9d"></span>UDP :3478 STUN（直送）</div>
</div>
</div>
</div>
</body>
</html>

167
caddy-netbird-diagram.svg Normal file
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@@ -0,0 +1,167 @@
<?xml version="1.0" encoding="UTF-8"?>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1060 810" font-family="'Space Grotesk', 'Segoe UI', system-ui, sans-serif">
<defs>
<marker id="ar-y" viewBox="0 0 10 10" refX="9" refY="5" markerWidth="7" markerHeight="7" orient="auto">
<path d="M 0 0 L 10 5 L 0 10 z" fill="#ffd166"/>
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<marker id="ar-c" viewBox="0 0 10 10" refX="9" refY="5" markerWidth="7" markerHeight="7" orient="auto">
<path d="M 0 0 L 10 5 L 0 10 z" fill="#5ec9d6"/>
</marker>
<marker id="ar-p" viewBox="0 0 10 10" refX="9" refY="5" markerWidth="7" markerHeight="7" orient="auto">
<path d="M 0 0 L 10 5 L 0 10 z" fill="#a29bfe"/>
</marker>
<marker id="ar-pk" viewBox="0 0 10 10" refX="9" refY="5" markerWidth="7" markerHeight="7" orient="auto">
<path d="M 0 0 L 10 5 L 0 10 z" fill="#ff6b9d"/>
</marker>
<linearGradient id="caddy-grad" x1="0" y1="0" x2="1" y2="1">
<stop offset="0%" stop-color="#1dd1a1" stop-opacity="0.22"/>
<stop offset="100%" stop-color="#1dd1a1" stop-opacity="0.06"/>
</linearGradient>
<linearGradient id="host-grad" x1="0" y1="0" x2="0" y2="1">
<stop offset="0%" stop-color="#2d3942"/>
<stop offset="100%" stop-color="#1e2730"/>
</linearGradient>
<linearGradient id="nb-title-grad" x1="0" y1="0" x2="1" y2="0">
<stop offset="0%" stop-color="#5ec9d6" stop-opacity="0.12"/>
<stop offset="100%" stop-color="#5ec9d6" stop-opacity="0"/>
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<pattern id="grid" width="24" height="24" patternUnits="userSpaceOnUse">
<path d="M 24 0 L 0 0 0 24" fill="none" stroke="#5ec9d6" stroke-opacity="0.06" stroke-width="1"/>
</pattern>
</defs>
<rect width="1060" height="810" fill="#0f1419"/>
<text x="20" y="36" font-size="26" font-weight="700" fill="#e6edf3">Caddy 反向代理架構</text>
<text x="20" y="60" font-family="'JetBrains Mono', 'Consolas', monospace" font-size="12" fill="#8b98a5">host: <tspan fill="#5ec9d6">192.168.42.127</tspan></text>
<rect x="10" y="80" width="1040" height="660" rx="16" fill="#1a2129" stroke="#2d3942" stroke-width="1"/>
<rect x="10" y="80" width="1040" height="660" rx="16" fill="url(#grid)"/>
<g transform="translate(10, 100)">
<g font-family="'JetBrains Mono', 'Consolas', monospace">
<rect x="20" y="174" width="48" height="26" rx="5" fill="#0f1419" stroke="#ffd166" stroke-width="1.4"/>
<text x="44" y="192" text-anchor="middle" font-size="12" font-weight="700" fill="#ffd166">:80</text>
<rect x="10" y="475" width="80" height="26" rx="5" fill="#0f1419" stroke="#ff6b9d" stroke-width="1.4"/>
<text x="50" y="493" text-anchor="middle" font-size="11" font-weight="700" fill="#ff6b9d">:3478/udp</text>
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<rect x="110" y="60" width="560" height="520" rx="14" fill="url(#host-grad)" stroke="#3a4a58" stroke-width="1.5" stroke-dasharray="6 4"/>
<text x="130" y="88" font-family="'JetBrains Mono', 'Consolas', monospace" font-size="13" fill="#5ec9d6" font-weight="700">host · 192.168.42.127</text>
<g>
<rect x="140" y="125" width="330" height="285" rx="10" fill="url(#caddy-grad)" stroke="#1dd1a1" stroke-width="1.8"/>
<text x="160" y="153" font-size="15" font-weight="700" fill="#1dd1a1">Caddy</text>
<text x="213" y="153" font-size="13" font-weight="500" fill="#8b98a5">反向代理</text>
<circle cx="285" cy="148" r="6" fill="#1dd1a1" opacity="0.35"/>
<circle cx="285" cy="148" r="3.5" fill="#1dd1a1"/>
<g font-family="'JetBrains Mono', 'Consolas', monospace" font-size="12.5">
<g>
<rect x="160" y="170" width="290" height="32" rx="6" fill="#0f1419" stroke="#2d3942"/>
<text x="176" y="191" fill="#ffd166" font-weight="700">/</text>
<text x="438" y="191" text-anchor="end" fill="#8b98a5">→ dashboard</text>
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<line x1="170" y1="222" x2="440" y2="222" stroke="#2d3942" stroke-width="1" stroke-dasharray="3 4"/>
<g>
<rect x="160" y="249" width="290" height="32" rx="6" fill="#0f1419" stroke="#2d3942"/>
<text x="176" y="270" fill="#ffd166" font-weight="700">/api/*</text>
<text x="438" y="270" text-anchor="end" fill="#8b98a5">→ netbird-server</text>
</g>
<g>
<rect x="160" y="287" width="290" height="32" rx="6" fill="#0f1419" stroke="#2d3942"/>
<text x="176" y="308" fill="#ffd166" font-weight="700">/oauth2/*</text>
<text x="438" y="308" text-anchor="end" fill="#8b98a5">→ netbird-server</text>
</g>
<g>
<rect x="160" y="325" width="290" height="32" rx="6" fill="#0f1419" stroke="#2d3942"/>
<text x="176" y="346" fill="#ffd166" font-weight="700">/relay*</text>
<text x="438" y="346" text-anchor="end" fill="#8b98a5">→ netbird-server</text>
</g>
<g>
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<text x="176" y="384" fill="#a29bfe" font-weight="700">gRPC</text>
<text x="438" y="384" text-anchor="end" fill="#8b98a5">→ netbird-server</text>
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<text x="790" y="182" font-size="14" font-weight="700" fill="#e6edf3">dashboard</text>
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<text x="765" y="242" font-size="14" font-weight="700" fill="#e6edf3">netbird-server</text>
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<text x="742" y="269" fill="#8b98a5">HTTP API</text>
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<text x="742" y="307" fill="#8b98a5">OAuth2</text>
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<text x="742" y="345" fill="#8b98a5">Relay</text>
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<text x="742" y="444" fill="#ff6b9d" font-weight="700">STUN (:3478/udp)</text>
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<text x="360" y="512" font-family="'JetBrains Mono', 'Consolas', monospace" font-size="11" fill="#ff6b9d" font-weight="700">STUN · 直送，不經 Caddy</text>
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<text x="46" y="779">HTTP (/) → dashboard</text>
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<text x="241" y="779">HTTP (/api, /oauth2, /relay) → netbird-server</text>
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<text x="831" y="779">UDP :3478 STUN（直送）</text>
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