v1.0.0 — Hexagonal architecture rewrite
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Restructure the monolithic 252-line main.rs into a 10-crate workspace
with clean hexagonal architecture, swappable adapters, and a production-
ready deployment pipeline.

Backend architecture:
- domain: Canvas, Color/Position/PixelUpdate value objects, port traits
  (CanvasStore, CanvasPersistence, EventBroadcaster), BroadcastEvent
- application: use cases (place_pixel, get_state, save/restore snapshot,
  connect/disconnect), AppState with Arc snapshot cache
- config: AppConfig structs + ConfigSource trait
- api-types: shared DTOs, event name constants
- adapters: config-env, canvas-file, http-axum (rust-embed), socketio,
  websocket — all behind port traits, swappable via feature flags
- server: composition root with graceful shutdown (SIGTERM/SIGINT)

Frontend:
- Transport abstraction: Socket.IO and native WebSocket via VITE_TRANSPORT
- Canvas zoom/pan with mouse wheel, pinch-to-zoom, and +/- buttons
- ImageData rendering (~50x faster than fillRect loop)
- Touch support, responsive CSS scaling, mobile-friendly layout
- OG/Twitter Card meta tags for rich link previews

Production:
- Docker: musl static build on scratch — 2.73MB image
- CI workflows for Gitea and GitHub Actions (fmt, clippy, test, Docker push)
- deploy.sh for private registry
- 39 unit tests across domain and application
- Zero unwraps, zero unsafe, graceful error handling with tracing
- Periodic canvas snapshots with rotation, restored on startup
- All config via environment variables with typed defaults
This commit is contained in:
2026-08-18 01:41:40 +02:00
parent e9bea5e1e5
commit f652785acb
85 changed files with 4240 additions and 3736 deletions

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<!DOCTYPE html>
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<link rel="icon" type="image/png" href="/pixel_war_icon.png" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Pixel War</title>
<meta
name="viewport"
content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"
/>
<title>Painter</title>
<meta name="description" content="Place pixels on a shared canvas with other players in real-time. Inspired by r/place." />
<meta property="og:type" content="website" />
<meta property="og:title" content="Painter" />
<meta property="og:description" content="Place pixels on a shared canvas with other players in real-time." />
<meta property="og:image" content="/og-image.png" />
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:title" content="Painter" />
<meta name="twitter:description" content="Place pixels on a shared canvas with other players in real-time." />
<meta name="twitter:image" content="/og-image.png" />
<meta name="theme-color" content="#f1f5f9" />
<link rel="stylesheet" href="/src/style.css" />
</head>
<body class="relative flex flex-col items-center justify-center min-h-screen bg-slate-100">
<div id="challenge" class="absolute z-10 w-full min-h-screen"></div>
<div class="z-20 flex flex-wrap gap-2 p-2">
<button id="red" class="w-8 h-8 bg-red-500 border border-black shadow"></button>
<button id="green" class="w-8 h-8 bg-green-500 border border-black shadow"></button>
<button id="blue" class="w-8 h-8 bg-blue-500 border border-black shadow"></button>
<button id="cyan" class="w-8 h-8 border border-black shadow bg-cyan-500"></button>
<button id="yellow" class="w-8 h-8 bg-yellow-500 border border-black shadow"></button>
<button id="black" class="w-8 h-8 bg-black border border-black shadow"></button>
<button id="white" class="w-8 h-8 bg-white border border-black shadow"></button>
<button id="pink" class="w-8 h-8 bg-pink-500 border border-black shadow"></button>
<button id="purple" class="w-8 h-8 bg-purple-500 border border-black shadow"></button>
<button id="orange" class="w-8 h-8 bg-orange-500 border border-black shadow"></button>
<button id="brown" class="w-8 h-8 bg-orange-800 border border-black shadow"></button>
<input class="w-8 h-8 border border-black shadow" type="color" id="color-picker" value="#000000" />
<body
class="relative flex flex-col items-center justify-center min-h-screen bg-slate-100 gap-1"
>
<div id="connection-status" class="text-sm"></div>
<div class="z-20 flex flex-wrap justify-center gap-2 p-1">
<button
id="red"
class="w-8 h-8 bg-red-500 border border-black shadow"
></button>
<button
id="green"
class="w-8 h-8 bg-green-500 border border-black shadow"
></button>
<button
id="blue"
class="w-8 h-8 bg-blue-500 border border-black shadow"
></button>
<button
id="cyan"
class="w-8 h-8 border border-black shadow bg-cyan-500"
></button>
<button
id="yellow"
class="w-8 h-8 bg-yellow-500 border border-black shadow"
></button>
<button
id="black"
class="w-8 h-8 bg-black border border-black shadow"
></button>
<button
id="white"
class="w-8 h-8 bg-white border border-black shadow"
></button>
<button
id="pink"
class="w-8 h-8 bg-pink-500 border border-black shadow"
></button>
<button
id="purple"
class="w-8 h-8 bg-purple-500 border border-black shadow"
></button>
<button
id="orange"
class="w-8 h-8 bg-orange-500 border border-black shadow"
></button>
<button
id="brown"
class="w-8 h-8 bg-orange-800 border border-black shadow"
></button>
<input
class="w-8 h-8 border border-black shadow"
type="color"
id="color-picker"
value="#000000"
/>
</div>
<p class="z-20">Your selected color <span id="current-color-span" class="text-white">COLOR</span></p>
<div id="countdown" class="z-20">You can place a pixel now</div>
<div class="z-20 flex items-center gap-2 mx-1 my-4">
<label for="toggle-grid">Toggle Grid</label>
<input id="toggle-grid" type="checkbox" />
<button id="place-pixel" class="px-2 py-1 rounded-md shadow-lg bg-cyan-400 hover:bg-cyan-500 active:bg-cyan-600">Place Pixel</button>
<p class="z-20 text-sm">
Your selected color
<span id="current-color-span" class="px-2 rounded text-white">COLOR</span>
</p>
<div id="countdown" class="z-20 text-xs">You can place a pixel now</div>
<div class="z-20 flex items-center gap-2 mx-1">
<button
id="zoom-out"
class="w-8 h-8 text-lg font-bold rounded shadow bg-slate-200 hover:bg-slate-300"
>
-
</button>
<span id="zoom-level" class="text-xs font-mono w-10 text-center"
>1.0x</span
>
<button
id="zoom-in"
class="w-8 h-8 text-lg font-bold rounded shadow bg-slate-200 hover:bg-slate-300"
>
+
</button>
<button
id="place-pixel"
class="px-3 py-1 text-sm rounded-md shadow-lg bg-cyan-400 hover:bg-cyan-500 active:bg-cyan-600"
>
Place Pixel
</button>
<p id="coords" class="text-xs font-mono"></p>
</div>
<div class="z-20 flex gap-1">
<p id="coords"></p>
<div class="canvas-viewport" id="canvas-viewport">
<canvas class="bg-white" id="canvas" width="500" height="500"></canvas>
</div>
<div class="relative z-20 p-1 rainbow-border">
<canvas class="bg-white rounded-md" id="canvas" width="500" height="500"></canvas>
</div>
<div class="z-20 flex flex-col gap-2 p-2">
<p>Current soldiers: <span id="current-soldiers" class="font-bold">0</span></p>
<button id="save-canvas" class="px-2 py-1 bg-green-400 rounded-md shadow-lg hover:bg-green-500 active:bg-green-600">Save Canvas</button>
<div class="z-20 flex items-center gap-4 p-1">
<p class="text-sm">
Soldiers: <span id="current-soldiers" class="font-bold">0</span>
</p>
<button
id="save-canvas"
class="px-3 py-1 text-sm bg-green-400 rounded-md shadow-lg hover:bg-green-500 active:bg-green-600"
>
Save Canvas
</button>
</div>
<script type="module" src="/src/main.js"></script>
</body>