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<title>KubeMirror - Copy Kubernetes Resources Across Namespaces</title>
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name="description"
content="Copy Secrets, ConfigMaps, and any Custom Resource across Kubernetes namespaces automatically. Transform values per environment. Better replacement for Reflector."
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<span class="text-2xl font-bold gradient-text">KubeMirror</span>
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<a href="#problem" class="text-gray-700 dark:text-gray-300 hover:text-blue-600 dark:hover:text-blue-400 font-medium theme-transition">Problem</a>
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<h1 class="text-3xl sm:text-2xl sm:text-xl sm:text-2xl lg:text-6xl font-bold text-gray-900 dark:text-white mb-4 sm:mb-6 leading-tight animate-fade-in-up theme-transition" style="animation-delay: 0.1s;">
<span id="rotatingWord" class="rotating-text">Copy</span> Kubernetes Resources<br/>
<span class="gradient-text">Across Namespaces</span>
</h1>
<p class="text-base sm:text-base text-gray-600 dark:text-gray-300 mb-8 sm:mb-10 max-w-3xl mx-auto leading-relaxed animate-fade-in-up theme-transition" style="animation-delay: 0.2s;">
Share Secrets, ConfigMaps, and any Custom Resource (like Traefik Middleware, Cert-Manager Certificates) across multiple namespaces.
<strong>Automatically keep them in sync.</strong> Transform values per environment.
</p>
<div class="flex flex-col sm:flex-row justify-center gap-6 animate-fade-in-up" style="animation-delay: 0.3s;">
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<i class="fas fa-download mr-2"></i>
Get Started
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<a href="https://github.com/lukaszraczylo/kubemirror" target="_blank" class="bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 px-10 py-4 rounded-xl font-bold text-lg border-2 border-gray-300 dark:border-gray-600 hover:border-blue-500 dark:hover:border-blue-400 hover:text-blue-600 dark:hover:text-blue-400 transition-all shadow-lg hover:shadow-xl hover:scale-105 theme-transition">
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GitHub
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</section>
<!-- The Problem Section -->
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<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
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<h2 class="text-2xl sm:text-xl sm:text-2xl font-bold text-gray-900 dark:text-white mb-3 sm:mb-4 theme-transition">The Problem</h2>
<p class="text-base sm:text-lg text-gray-600 dark:text-gray-300 max-w-4xl mx-auto theme-transition">
Kubernetes doesn't let you share resources across namespaces. You need the same Secret or ConfigMap in 10 namespaces? You have to duplicate it manually and keep them all in sync.
</p>
</div>
<div class="grid md:grid-cols-3 gap-8 mb-16">
<div class="bg-gradient-to-br from-red-50 to-red-100 dark:from-red-900/20 dark:to-red-800/20 border-l-4 border-red-500 dark:border-red-400 p-6 rounded-lg shadow-modern hover:transform hover:-translate-y-1 transition-all duration-300 theme-transition">
<div class="flex items-center mb-3">
<i class="fas fa-times-circle text-red-500 dark:text-red-400 text-2xl mr-3"></i>
<h3 class="font-semibold text-lg text-gray-900 dark:text-white theme-transition">Manual Duplication</h3>
</div>
<p class="text-sm text-gray-700 dark:text-gray-300 leading-relaxed theme-transition">
Copy-paste the same TLS certificate Secret into 20 namespaces. Update it manually in all 20 when it expires.
</p>
</div>
<div class="bg-gradient-to-br from-orange-50 to-orange-100 dark:from-orange-900/20 dark:to-orange-800/20 border-l-4 border-orange-500 dark:border-orange-400 p-6 rounded-lg shadow-modern hover:transform hover:-translate-y-1 transition-all duration-300 theme-transition">
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<h3 class="font-semibold text-lg text-gray-900 dark:text-white theme-transition">Environment Hardcoding</h3>
</div>
<p class="text-sm text-gray-700 dark:text-gray-300 leading-relaxed theme-transition">
Same ConfigMap but with different API URLs for dev, staging, prod? Create 3 separate versions and maintain them.
</p>
</div>
<div class="bg-gradient-to-br from-yellow-50 to-yellow-100 dark:from-yellow-900/20 dark:to-yellow-800/20 border-l-4 border-yellow-600 dark:border-yellow-500 p-6 rounded-lg shadow-modern hover:transform hover:-translate-y-1 transition-all duration-300 theme-transition">
<div class="flex items-center mb-3">
<i class="fas fa-times-circle text-yellow-600 dark:text-yellow-500 text-2xl mr-3"></i>
<h3 class="font-semibold text-lg text-gray-900 dark:text-white theme-transition">Limited Tools</h3>
</div>
<p class="text-sm text-gray-700 dark:text-gray-300 leading-relaxed theme-transition">
Existing tools only support Secrets/ConfigMaps. Want to share Traefik Middleware? Out of luck.
</p>
</div>
</div>
<div class="bg-gradient-to-br from-green-50 to-emerald-100 dark:from-green-900/20 dark:to-emerald-900/20 border-l-4 border-green-500 dark:border-green-400 p-6 rounded-xl shadow-modern hover:transform hover:-translate-y-1 transition-all duration-300 theme-transition">
<div class="flex items-start gap-4">
<i class="fas fa-check-circle text-green-500 dark:text-green-400 text-3xl mt-1"></i>
<div>
<h3 class="font-bold text-xl text-gray-900 dark:text-white mb-3 theme-transition">KubeMirror's Solution</h3>
<p class="text-gray-700 dark:text-gray-300 text-base leading-relaxed theme-transition">
Define your resource once in a source namespace. KubeMirror automatically copies it to target namespaces (specific list, patterns like <code class="bg-white dark:bg-gray-800 px-2 py-1 rounded font-mono text-sm text-purple-600 dark:text-purple-400 font-semibold theme-transition">app-*</code>, or <code class="bg-white dark:bg-gray-800 px-2 py-1 rounded font-mono text-sm text-purple-600 dark:text-purple-400 font-semibold theme-transition">all</code>) and keeps them synchronized.
Transform values per environment (e.g., <code class="bg-white dark:bg-gray-800 px-2 py-1 rounded font-mono text-sm text-purple-600 dark:text-purple-400 font-semibold theme-transition">preprod-*</code> namespaces get preprod API URLs, <code class="bg-white dark:bg-gray-800 px-2 py-1 rounded font-mono text-sm text-purple-600 dark:text-purple-400 font-semibold theme-transition">prod-*</code> get production URLs).
Works with any Kubernetes resource type.
</p>
</div>
</div>
</div>
</div>
</section>
<!-- Features Section -->
<section id="features" class="py-24 bg-gradient-to-br from-slate-50 to-blue-50 dark:from-gray-800 dark:to-gray-900 theme-transition">
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
<div class="text-center mb-12">
<h2 class="text-2xl sm:text-xl sm:text-2xl font-bold text-gray-900 dark:text-white mb-3 sm:mb-4 theme-transition">Key Features</h2>
<p class="text-base sm:text-lg text-gray-600 dark:text-gray-300 theme-transition">Everything you need for resource mirroring and synchronization</p>
</div>
<div class="grid md:grid-cols-2 gap-6">
<!-- Any Resource Type -->
<div class="bg-white dark:bg-gray-800 p-6 rounded-2xl shadow-modern hover:transform hover:-translate-y-1 transition-all duration-300 border border-blue-100 dark:border-gray-700 theme-transition">
<div class="bg-gradient-to-br from-blue-500 to-purple-600 w-12 h-12 rounded-xl flex items-center justify-center mb-4">
<i class="fas fa-layer-group text-2xl text-white"></i>
</div>
<h3 class="text-xl font-bold text-gray-900 dark:text-white mb-3 theme-transition">Mirror Any Resource Type</h3>
<p class="text-gray-600 dark:text-gray-300 mb-4 text-sm theme-transition">
Not just Secrets and ConfigMaps. Mirror any namespaced Kubernetes resource:
</p>
<ul class="text-gray-700 dark:text-gray-300 space-y-2 text-sm theme-transition">
<li><i class="fas fa-check-circle text-green-500 mr-2"></i>Secrets & ConfigMaps (obviously)</li>
<li><i class="fas fa-check-circle text-green-500 mr-2"></i>Traefik Middleware, IngressRoute</li>
<li><i class="fas fa-check-circle text-green-500 mr-2"></i>Cert-Manager Certificates</li>
<li><i class="fas fa-check-circle text-green-500 mr-2"></i>Any Custom Resource Definition (CRD)</li>
</ul>
<div class="mt-4 p-3 bg-blue-50 dark:bg-blue-900/20 rounded-lg border border-blue-200 dark:border-blue-800 theme-transition">
<p class="text-xs text-gray-600 dark:text-gray-300 theme-transition">
<strong class="text-blue-700 dark:text-blue-400">How:</strong> KubeMirror discovers all available resource types automatically. No manual configuration needed.
</p>
</div>
</div>
<!-- Transformation Rules -->
<div class="bg-white dark:bg-gray-800 p-6 rounded-2xl shadow-modern hover:transform hover:-translate-y-1 transition-all duration-300 border border-purple-100 dark:border-gray-700 theme-transition">
<div class="bg-gradient-to-br from-purple-500 to-pink-600 w-12 h-12 rounded-xl flex items-center justify-center mb-6">
<i class="fas fa-magic text-2xl text-white"></i>
</div>
<h3 class="text-xl font-bold text-gray-900 dark:text-white mb-4 theme-transition">Transform Per Environment</h3>
<p class="text-gray-600 dark:text-gray-300 mb-6 text-sm theme-transition">
Change values automatically based on target namespace:
</p>
<div class="code-block text-gray-100 p-5 rounded-xl font-mono text-xs md:text-sm overflow-x-auto mb-4 shadow-lg">
<pre class="text-green-400"># Preprod namespaces get preprod API</pre>
<pre><span class="text-yellow-400">- path:</span> data.API_URL
<span class="text-yellow-400">value:</span> <span class="text-blue-400">"https://preprod.api.com"</span>
<span class="text-yellow-400">namespacePattern:</span> <span class="text-blue-400">"preprod-*"</span>
<span class="text-green-400"># Production gets production API</span>
<span class="text-yellow-400">- path:</span> data.API_URL
<span class="text-yellow-400">value:</span> <span class="text-blue-400">"https://api.com"</span>
<span class="text-yellow-400">namespacePattern:</span> <span class="text-blue-400">"prod-*"</span></pre>
</div>
<div class="p-4 bg-purple-50 dark:bg-purple-900/20 rounded-lg border border-purple-200 dark:border-purple-800 theme-transition">
<p class="text-sm text-gray-600 dark:text-gray-300 theme-transition">
<strong class="text-purple-700 dark:text-purple-400">Why:</strong> One source ConfigMap, different values per environment. No manual maintenance.
</p>
</div>
</div>
<!-- Automatic Sync -->
<div class="bg-white dark:bg-gray-800 p-6 rounded-2xl shadow-modern hover:transform hover:-translate-y-1 transition-all duration-300 border border-green-100 dark:border-gray-700 theme-transition">
<div class="bg-gradient-to-br from-green-500 to-teal-600 w-12 h-12 rounded-xl flex items-center justify-center mb-6">
<i class="fas fa-sync-alt text-2xl text-white"></i>
</div>
<h3 class="text-xl font-bold text-gray-900 dark:text-white mb-4 theme-transition">Automatic Synchronization</h3>
<p class="text-gray-600 dark:text-gray-300 mb-6 text-sm theme-transition">
Update the source once. All copies update automatically:
</p>
<ul class="text-gray-700 dark:text-gray-300 space-y-3 text-sm theme-transition">
<li><i class="fas fa-arrow-right text-blue-500 mr-3"></i>Update source Secret → All 50 copies update</li>
<li><i class="fas fa-arrow-right text-blue-500 mr-3"></i>Delete source → All copies get deleted</li>
<li><i class="fas fa-arrow-right text-blue-500 mr-3"></i>Someone deletes a copy → Recreated automatically</li>
<li><i class="fas fa-arrow-right text-blue-500 mr-3"></i>New namespace created → Copy appears automatically</li>
</ul>
<div class="mt-6 p-4 bg-green-50 dark:bg-green-900/20 rounded-lg border border-green-200 dark:border-green-800 theme-transition">
<p class="text-sm text-gray-600 dark:text-gray-300 theme-transition">
<strong class="text-green-700 dark:text-green-400">How:</strong> Uses SHA256 content hashing + Kubernetes generation tracking. Only updates when content actually changes.
</p>
</div>
</div>
<!-- Smart Targeting -->
<div class="bg-white dark:bg-gray-800 p-6 rounded-2xl shadow-modern hover:transform hover:-translate-y-1 transition-all duration-300 border border-orange-100 dark:border-gray-700 theme-transition">
<div class="bg-gradient-to-br from-orange-500 to-red-600 w-12 h-12 rounded-xl flex items-center justify-center mb-6">
<i class="fas fa-bullseye text-2xl text-white"></i>
</div>
<h3 class="text-xl font-bold text-gray-900 dark:text-white mb-4 theme-transition">Flexible Targeting</h3>
<p class="text-gray-600 dark:text-gray-300 mb-6 text-sm theme-transition">
Choose which namespaces receive the copy:
</p>
<div class="space-y-4 text-gray-700 dark:text-gray-300 text-base md:text-sm theme-transition">
<div class="flex flex-col sm:flex-row items-start sm:items-center gap-3">
<code class="bg-gray-100 dark:bg-gray-700 px-4 py-2 rounded-lg font-mono text-purple-700 dark:text-purple-400 font-semibold text-sm theme-transition">namespace-1,namespace-2</code>
<span>Specific namespaces</span>
</div>
<div class="flex flex-col sm:flex-row items-start sm:items-center gap-3">
<code class="bg-gray-100 dark:bg-gray-700 px-4 py-2 rounded-lg font-mono text-purple-700 dark:text-purple-400 font-semibold text-sm theme-transition">app-*,prod-*</code>
<span>Pattern matching</span>
</div>
<div class="flex flex-col sm:flex-row items-start sm:items-center gap-3">
<code class="bg-gray-100 dark:bg-gray-700 px-4 py-2 rounded-lg font-mono text-purple-700 dark:text-purple-400 font-semibold text-sm theme-transition">all</code>
<span>All namespaces (no labels required)</span>
</div>
<div class="flex flex-col sm:flex-row items-start sm:items-center gap-3">
<code class="bg-gray-100 dark:bg-gray-700 px-4 py-2 rounded-lg font-mono text-purple-700 dark:text-purple-400 font-semibold text-sm theme-transition">all-labeled</code>
<span>Only namespaces with opt-in label</span>
</div>
</div>
<div class="mt-6 p-4 bg-orange-50 dark:bg-orange-900/20 rounded-lg border border-orange-200 dark:border-orange-800 theme-transition">
<p class="text-sm text-gray-600 dark:text-gray-300 theme-transition">
<strong class="text-orange-700 dark:text-orange-400">Safety:</strong> Source namespace never receives a copy. Max 100 targets per resource (configurable).
</p>
</div>
</div>
</div>
</div>
</section>
<!-- Examples Section -->
<section id="examples" class="py-24 bg-white dark:bg-gray-900 theme-transition">
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
<div class="text-center mb-12">
<h2 class="text-2xl sm:text-xl sm:text-2xl font-extrabold text-gray-900 dark:text-white mb-4 theme-transition">Real-World Examples</h2>
<p class="text-xl text-gray-600 dark:text-gray-300 theme-transition">See how easy it is to get started with KubeMirror</p>
</div>
<div class="space-y-12">
<!-- Example 1: Basic Secret -->
<div class="bg-gradient-to-br from-blue-50 to-indigo-50 dark:from-blue-900/20 dark:to-indigo-900/20 p-6 rounded-2xl shadow-modern border border-blue-200 dark:border-blue-800 hover:transform hover:-translate-y-1 transition-all duration-300 theme-transition">
<div class="flex flex-col sm:flex-row items-start gap-6 mb-6">
<div class="bg-blue-600 dark:bg-blue-700 w-14 h-14 rounded-xl flex items-center justify-center flex-shrink-0">
<span class="text-white font-bold text-2xl">1</span>
</div>
<div>
<h3 class="text-xl font-bold text-gray-900 dark:text-white mb-3 theme-transition">
<i class="fas fa-lock text-blue-600 dark:text-blue-400 mr-3"></i>
Basic: Mirror a TLS Secret
</h3>
<p class="text-gray-600 dark:text-gray-300 text-sm theme-transition">Share your TLS certificate across multiple application namespaces</p>
</div>
</div>
<div class="code-block text-gray-100 p-4 md:p-6 rounded-xl font-mono text-xs md:text-sm overflow-x-auto shadow-lg">
<pre><span class="text-blue-400">apiVersion:</span> v1
<span class="text-blue-400">kind:</span> Secret
<span class="text-blue-400">metadata:</span>
<span class="text-yellow-400">name:</span> tls-cert
<span class="text-yellow-400">namespace:</span> default
<span class="text-yellow-400">labels:</span>
<span class="text-green-400">kubemirror.raczylo.com/enabled:</span> <span class="text-purple-400">"true"</span>
<span class="text-yellow-400">annotations:</span>
<span class="text-green-400">kubemirror.raczylo.com/sync:</span> <span class="text-purple-400">"true"</span>
<span class="text-green-400">kubemirror.raczylo.com/target-namespaces:</span> <span class="text-purple-400">"app-1,app-2,app-3"</span>
<span class="text-blue-400">type:</span> kubernetes.io/tls
<span class="text-blue-400">data:</span>
<span class="text-yellow-400">tls.crt:</span> LS0tLS1CRUd...
<span class="text-yellow-400">tls.key:</span> LS0tLS1CRUd...</pre>
</div>
</div>
<!-- Example 2: Pattern Matching -->
<div class="bg-gradient-to-br from-purple-50 to-pink-50 dark:from-purple-900/20 dark:to-pink-900/20 p-6 rounded-2xl shadow-modern border border-purple-200 dark:border-purple-800 hover:transform hover:-translate-y-1 transition-all duration-300 theme-transition">
<div class="flex flex-col sm:flex-row items-start gap-6 mb-6">
<div class="bg-purple-600 dark:bg-purple-700 w-14 h-14 rounded-xl flex items-center justify-center flex-shrink-0">
<span class="text-white font-bold text-2xl">2</span>
</div>
<div>
<h3 class="text-xl font-bold text-gray-900 dark:text-white mb-3 theme-transition">
<i class="fas fa-asterisk text-purple-600 dark:text-purple-400 mr-3"></i>
Pattern Matching: Mirror to All App Namespaces
</h3>
<p class="text-gray-600 dark:text-gray-300 text-sm theme-transition">Use wildcards to mirror to all namespaces matching a pattern</p>
</div>
</div>
<div class="code-block text-gray-100 p-4 md:p-6 rounded-xl font-mono text-xs md:text-sm overflow-x-auto shadow-lg">
<pre><span class="text-blue-400">apiVersion:</span> v1
<span class="text-blue-400">kind:</span> ConfigMap
<span class="text-blue-400">metadata:</span>
<span class="text-yellow-400">name:</span> common-config
<span class="text-yellow-400">namespace:</span> default
<span class="text-yellow-400">labels:</span>
<span class="text-green-400">kubemirror.raczylo.com/enabled:</span> <span class="text-purple-400">"true"</span>
<span class="text-yellow-400">annotations:</span>
<span class="text-green-400">kubemirror.raczylo.com/sync:</span> <span class="text-purple-400">"true"</span>
<span class="text-pink-400"># Mirror to ALL namespaces starting with "app-"</span>
<span class="text-green-400">kubemirror.raczylo.com/target-namespaces:</span> <span class="text-purple-400">"app-*"</span>
<span class="text-blue-400">data:</span>
<span class="text-yellow-400">log_level:</span> <span class="text-purple-400">"info"</span>
<span class="text-yellow-400">api_url:</span> <span class="text-purple-400">"https://api.example.com"</span></pre>
</div>
<div class="mt-6 p-5 bg-purple-100 dark:bg-purple-900/40 rounded-lg border border-purple-300 dark:border-purple-700 theme-transition">
<p class="text-gray-700 dark:text-gray-300 text-base md:text-sm theme-transition">
<i class="fas fa-info-circle text-purple-600 dark:text-purple-400 mr-2"></i>
<strong>Result:</strong> This ConfigMap will be automatically copied to <code class="bg-white dark:bg-gray-800 px-2 py-1 rounded font-mono text-purple-700 dark:text-purple-400 text-sm theme-transition">app-frontend</code>, <code class="bg-white dark:bg-gray-800 px-2 py-1 rounded font-mono text-purple-700 dark:text-purple-400 text-sm theme-transition">app-backend</code>, <code class="bg-white dark:bg-gray-800 px-2 py-1 rounded font-mono text-purple-700 dark:text-purple-400 text-sm theme-transition">app-worker</code>, and any other namespace starting with "app-"
</p>
</div>
</div>
<!-- Example 3: Custom Resource (Traefik) -->
<div class="bg-gradient-to-br from-green-50 to-teal-50 dark:from-green-900/20 dark:to-teal-900/20 p-6 rounded-2xl shadow-modern border border-green-200 dark:border-green-800 hover:transform hover:-translate-y-1 transition-all duration-300 theme-transition">
<div class="flex flex-col sm:flex-row items-start gap-6 mb-6">
<div class="bg-green-600 dark:bg-green-700 w-14 h-14 rounded-xl flex items-center justify-center flex-shrink-0">
<span class="text-white font-bold text-2xl">3</span>
</div>
<div>
<h3 class="text-xl font-bold text-gray-900 dark:text-white mb-3 theme-transition">
<i class="fas fa-cubes text-green-600 dark:text-green-400 mr-3"></i>
Custom Resource: Share Traefik Middleware
</h3>
<p class="text-gray-600 dark:text-gray-300 text-sm theme-transition">Mirror any CRD like Traefik Middleware across your cluster</p>
</div>
</div>
<div class="code-block text-gray-100 p-4 md:p-6 rounded-xl font-mono text-xs md:text-sm overflow-x-auto shadow-lg">
<pre><span class="text-blue-400">apiVersion:</span> traefik.io/v1alpha1
<span class="text-blue-400">kind:</span> Middleware
<span class="text-blue-400">metadata:</span>
<span class="text-yellow-400">name:</span> compression
<span class="text-yellow-400">namespace:</span> infrastructure
<span class="text-yellow-400">labels:</span>
<span class="text-green-400">kubemirror.raczylo.com/enabled:</span> <span class="text-purple-400">"true"</span>
<span class="text-yellow-400">annotations:</span>
<span class="text-green-400">kubemirror.raczylo.com/sync:</span> <span class="text-purple-400">"true"</span>
<span class="text-pink-400"># Share with all application namespaces</span>
<span class="text-green-400">kubemirror.raczylo.com/target-namespaces:</span> <span class="text-purple-400">"app-*,prod-*"</span>
<span class="text-blue-400">spec:</span>
<span class="text-yellow-400">compress:</span>
<span class="text-yellow-400">excludedContentTypes:</span>
- text/event-stream</pre>
</div>
<div class="mt-6 p-5 bg-green-100 dark:bg-green-900/40 rounded-lg border border-green-300 dark:border-green-700 theme-transition">
<p class="text-gray-700 dark:text-gray-300 text-base md:text-sm theme-transition">
<i class="fas fa-lightbulb text-green-600 dark:text-green-400 mr-2"></i>
<strong>Works with any CRD:</strong> Cert-Manager Certificates, Gateway API resources, or your own custom resources!
</p>
</div>
</div>
</div>
</div>
</section>
<!-- Comparison Section -->
<section id="comparison" class="py-24 bg-gradient-to-br from-slate-50 to-blue-50 dark:from-gray-800 dark:to-gray-900 theme-transition">
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
<div class="text-center mb-16">
<h2 class="text-2xl sm:text-xl sm:text-2xl font-extrabold text-gray-900 dark:text-white mb-6 theme-transition">How KubeMirror Compares</h2>
<p class="text-base sm:text-lg text-gray-600 dark:text-gray-300 theme-transition">We built KubeMirror to replace <a href="https://github.com/emberstack/kubernetes-reflector" class="text-blue-600 dark:text-blue-400 hover:underline font-semibold" target="_blank">emberstack/reflector</a></p>
</div>
<div class="glass rounded-xl overflow-hidden shadow-modern">
<div class="overflow-x-auto">
<table class="w-full text-sm">
<thead class="bg-gradient-to-r from-blue-600 to-purple-600 text-white">
<tr>
<th class="px-4 py-3 text-left font-semibold">Feature</th>
<th class="px-4 py-3 text-center font-semibold">KubeMirror</th>
<th class="px-4 py-3 text-center font-semibold">Reflector</th>
</tr>
</thead>
<tbody class="divide-y divide-gray-200 dark:divide-gray-700">
<tr class="hover:bg-gray-50 dark:hover:bg-gray-800/50">
<td class="px-4 py-3">
<div class="font-medium text-gray-900 dark:text-white theme-transition">Supported Resources</div>
<div class="text-xs text-gray-600 dark:text-gray-400 mt-1 theme-transition">What resource types can be mirrored</div>
</td>
<td class="px-4 py-3 text-center">
<span class="text-green-500 text-xl">✓</span>
<div class="text-xs text-gray-600 dark:text-gray-400 mt-1 theme-transition">All CRDs</div>
</td>
<td class="px-4 py-3 text-center">
<span class="text-yellow-500 text-xl">⚠</span>
<div class="text-xs text-gray-600 dark:text-gray-400 mt-1 theme-transition">Secrets, ConfigMaps only</div>
</td>
</tr>
<tr class="hover:bg-gray-50 dark:hover:bg-gray-800/50">
<td class="px-4 py-3">
<div class="font-medium text-gray-900 dark:text-white theme-transition">Auto-Discovery</div>
<div class="text-xs text-gray-600 dark:text-gray-400 mt-1 theme-transition">Finds all resource types automatically</div>
</td>
<td class="px-4 py-3 text-center">
<span class="text-green-500 text-xl">✓</span>
<div class="text-xs text-gray-600 dark:text-gray-400 mt-1 theme-transition">Yes</div>
</td>
<td class="px-4 py-3 text-center">
<span class="text-red-500 text-xl">✗</span>
<div class="text-xs text-gray-600 dark:text-gray-400 mt-1 theme-transition">Hardcoded</div>
</td>
</tr>
<tr class="hover:bg-gray-50 dark:hover:bg-gray-800/50">
<td class="px-4 py-3">
<div class="font-medium text-gray-900 dark:text-white theme-transition">Value Transformation</div>
<div class="text-xs text-gray-600 dark:text-gray-400 mt-1 theme-transition">Change values per target namespace</div>
</td>
<td class="px-4 py-3 text-center">
<span class="text-green-500 text-xl">✓</span>
<div class="text-xs text-gray-600 dark:text-gray-400 mt-1 theme-transition">Full support</div>
</td>
<td class="px-4 py-3 text-center">
<span class="text-red-500 text-xl">✗</span>
<div class="text-xs text-gray-600 dark:text-gray-400 mt-1 theme-transition">Not available</div>
</td>
</tr>
<tr class="hover:bg-gray-50 dark:hover:bg-gray-800/50">
<td class="px-4 py-3">
<div class="font-medium text-gray-900 dark:text-white theme-transition">Active Development</div>
<div class="text-xs text-gray-600 dark:text-gray-400 mt-1 theme-transition">Regular updates and bug fixes</div>
</td>
<td class="px-4 py-3 text-center">
<span class="text-green-500 text-xl">✓</span>
<div class="text-xs text-gray-600 dark:text-gray-400 mt-1 theme-transition">Active</div>
</td>
<td class="px-4 py-3 text-center">
<span class="text-green-500 text-xl">✓</span>
<div class="text-xs text-gray-600 dark:text-gray-400 mt-1 theme-transition">Recently resumed (2025)</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="mt-16 bg-gradient-to-br from-blue-50 to-indigo-100 dark:from-blue-900/20 dark:to-indigo-900/20 border-l-4 border-blue-600 dark:border-blue-400 p-8 rounded-xl shadow-modern theme-transition">
<div class="flex flex-col sm:flex-row items-start gap-6">
<i class="fas fa-info-circle text-blue-600 dark:text-blue-400 text-xl sm:text-2xl mt-1"></i>
<div>
<h4 class="text-base sm:text-lg font-bold text-gray-900 dark:text-white mb-4 theme-transition">Why We Built KubeMirror</h4>
<p class="text-gray-700 dark:text-gray-300 text-sm leading-relaxed theme-transition">
We needed to share Traefik Middleware across 200+ namespaces with environment-specific configurations.
Reflector couldn't do it (Secrets/ConfigMaps only, no transformations). So we built KubeMirror with modern
Kubernetes best practices and all the features we wished Reflector had.
</p>
</div>
</div>
</div>
</div>
</section>
<!-- Installation Section -->
<section id="installation" class="py-24 bg-white dark:bg-gray-900 theme-transition">
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
<div class="text-center mb-12">
<h2 class="text-2xl sm:text-xl sm:text-2xl font-extrabold text-gray-900 dark:text-white mb-4 theme-transition">Installation</h2>
<p class="text-base sm:text-lg text-gray-600 dark:text-gray-300 theme-transition">Get started in under 2 minutes</p>
</div>
<div class="grid md:grid-cols-2 gap-6 mb-16">
<!-- Helm Installation -->
<div class="bg-gradient-to-br from-blue-50 to-indigo-50 dark:from-blue-900/20 dark:to-indigo-900/20 p-6 rounded-2xl shadow-modern border border-blue-200 dark:border-blue-800 hover:transform hover:-translate-y-1 transition-all duration-300 theme-transition">
<div class="flex items-center mb-6">
<div class="bg-blue-600 dark:bg-blue-700 w-14 h-14 rounded-xl flex items-center justify-center mr-4">
<i class="fas fa-ship text-2xl text-white"></i>
</div>
<h3 class="text-xl font-bold text-gray-900 dark:text-white theme-transition">Helm <span class="text-blue-600 dark:text-blue-400">(Recommended)</span></h3>
</div>
<div class="code-block text-gray-100 p-4 md:p-6 rounded-xl font-mono text-xs md:text-sm overflow-x-auto shadow-lg">
<pre><span class="text-green-400">helm repo add kubemirror \</span>
https://lukaszraczylo.github.io/helm-charts
<span class="text-green-400">helm install kubemirror \</span>
kubemirror/kubemirror \
--namespace kubemirror-system \
--create-namespace</pre>
</div>
</div>
<!-- kubectl Installation -->
<div class="bg-gradient-to-br from-purple-50 to-pink-50 dark:from-purple-900/20 dark:to-pink-900/20 p-6 rounded-2xl shadow-modern border border-purple-200 dark:border-purple-800 hover:transform hover:-translate-y-1 transition-all duration-300 theme-transition">
<div class="flex items-center mb-6">
<div class="bg-purple-600 dark:bg-purple-700 w-14 h-14 rounded-xl flex items-center justify-center mr-4">
<i class="fas fa-terminal text-2xl text-white"></i>
</div>
<h3 class="text-xl font-bold text-gray-900 dark:text-white theme-transition">kubectl</h3>
</div>
<div class="code-block text-gray-100 p-4 md:p-6 rounded-xl font-mono text-xs md:text-sm overflow-x-auto shadow-lg">
<pre><span class="text-green-400">kubectl apply -k \</span>
github.com/lukaszraczylo/kubemirror/deploy
<span class="text-pink-400"># Or with specific version</span>
<span class="text-green-400">kubectl apply -k \</span>
github.com/lukaszraczylo/kubemirror/deploy?ref=v1.0.0</pre>
</div>
</div>
</div>
<!-- Quick Start Example -->
<div class="bg-gradient-to-br from-green-50 to-teal-50 dark:from-green-900/20 dark:to-teal-900/20 p-6 md:p-8 rounded-2xl shadow-2xl border border-green-200 dark:border-green-800 theme-transition">
<h3 class="text-xl sm:text-2xl font-bold text-gray-900 dark:text-white mb-8 text-center theme-transition">
<i class="fas fa-rocket text-green-600 dark:text-green-400 mr-3"></i>
Quick Start: Mirror a Secret in 30 Seconds
</h3>
<div class="grid md:grid-cols-2 gap-6">
<div>
<div class="flex items-center gap-3 mb-6">
<div class="bg-green-600 dark:bg-green-700 w-10 h-10 rounded-full flex items-center justify-center text-white font-bold">1</div>
<h4 class="font-bold text-base sm:text-lg text-gray-900 dark:text-white theme-transition">Create your source Secret</h4>
</div>
<div class="code-block text-gray-100 p-4 md:p-6 rounded-xl font-mono text-xs md:text-sm overflow-x-auto shadow-lg">
<pre><span class="text-blue-400">apiVersion:</span> v1
<span class="text-blue-400">kind:</span> Secret
<span class="text-blue-400">metadata:</span>
<span class="text-yellow-400">name:</span> tls-cert
<span class="text-yellow-400">namespace:</span> default
<span class="text-yellow-400">labels:</span>
<span class="text-green-400">kubemirror.raczylo.com/enabled:</span> <span class="text-purple-400">"true"</span>
<span class="text-yellow-400">annotations:</span>
<span class="text-green-400">kubemirror.raczylo.com/sync:</span> <span class="text-purple-400">"true"</span>
<span class="text-green-400">kubemirror.raczylo.com/target-namespaces:</span> <span class="text-purple-400">"app-1,app-2"</span>
<span class="text-blue-400">type:</span> kubernetes.io/tls
<span class="text-blue-400">data:</span>
<span class="text-yellow-400">tls.crt:</span> LS0tLS1CRUd...
<span class="text-yellow-400">tls.key:</span> LS0tLS1CRUd...</pre>
</div>
</div>
<div>
<div class="flex items-center gap-3 mb-6">
<div class="bg-green-600 dark:bg-green-700 w-10 h-10 rounded-full flex items-center justify-center text-white font-bold">2</div>
<h4 class="font-bold text-base sm:text-lg text-gray-900 dark:text-white theme-transition">That's it!</h4>
</div>
<p class="text-gray-700 dark:text-gray-300 mb-6 text-base md:text-sm theme-transition">
KubeMirror automatically:
</p>
<ul class="text-gray-700 dark:text-gray-300 space-y-4 text-base md:text-sm theme-transition">
<li class="flex items-start gap-3">
<i class="fas fa-check-circle text-green-500 text-xl mt-1"></i>
<span>Creates copies in <code class="bg-white dark:bg-gray-800 px-2 py-1 rounded font-mono text-green-700 dark:text-green-400 text-sm theme-transition">app-1</code> and <code class="bg-white dark:bg-gray-800 px-2 py-1 rounded font-mono text-green-700 dark:text-green-400 text-sm theme-transition">app-2</code></span>
</li>
<li class="flex items-start gap-3">
<i class="fas fa-check-circle text-green-500 text-xl mt-1"></i>
<span>Keeps them synchronized when you update the source</span>
</li>
<li class="flex items-start gap-3">
<i class="fas fa-check-circle text-green-500 text-xl mt-1"></i>
<span>Recreates them if someone deletes a copy</span>
</li>
<li class="flex items-start gap-3">
<i class="fas fa-check-circle text-green-500 text-xl mt-1"></i>
<span>Cleans up all copies when you delete the source</span>
</li>
</ul>
<div class="mt-8 p-5 bg-green-100 dark:bg-green-900/40 rounded-lg border border-green-300 dark:border-green-700 theme-transition">
<p class="text-sm text-gray-700 dark:text-gray-300 theme-transition">
<strong class="text-green-800 dark:text-green-400">Required:</strong> Both the label <code class="bg-white dark:bg-gray-800 px-2 py-1 rounded font-mono text-green-700 dark:text-green-400 text-xs theme-transition">kubemirror.raczylo.com/enabled</code>
and annotation <code class="bg-white dark:bg-gray-800 px-2 py-1 rounded font-mono text-green-700 dark:text-green-400 text-xs theme-transition">kubemirror.raczylo.com/sync</code> are needed.
</p>
</div>
</div>
</div>
</div>
</div>
</section>
<!-- Footer -->
<footer class="bg-gradient-to-br from-gray-900 to-gray-800 dark:from-black dark:to-gray-900 text-gray-300 dark:text-gray-400 py-16 theme-transition">
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
<div class="grid md:grid-cols-3 gap-12">
<div>
<div class="flex items-center mb-6">
<div class="bg-gradient-to-br from-blue-500 to-purple-600 p-2 rounded-lg mr-3">
<i class="fas fa-copy text-2xl text-white"></i>
</div>
<span class="text-2xl font-bold text-white">KubeMirror</span>
</div>
<p class="text-gray-400 dark:text-gray-500 text-sm leading-relaxed theme-transition">
Copy Kubernetes resources across namespaces. Modern replacement for Reflector.
</p>
</div>
<div>
<h4 class="text-base font-bold text-white mb-6">Links</h4>
<ul class="space-y-3 text-base md:text-lg">
<li><a href="https://github.com/lukaszraczylo/kubemirror" target="_blank" class="hover:text-white transition-colors"><i class="fab fa-github mr-2"></i>GitHub</a></li>
<li><a href="https://github.com/lukaszraczylo/kubemirror/issues" target="_blank" class="hover:text-white transition-colors"><i class="fas fa-bug mr-2"></i>Report Issue</a></li>
<li><a href="https://github.com/lukaszraczylo/kubemirror/releases" target="_blank" class="hover:text-white transition-colors"><i class="fas fa-tag mr-2"></i>Releases</a></li>
</ul>
</div>
<div>
<h4 class="text-lg font-bold text-white mb-6">License</h4>
<p class="text-gray-400 dark:text-gray-500 text-sm theme-transition">MIT License</p>
<p class="text-gray-400 dark:text-gray-500 mt-4 text-sm theme-transition">© 2025 Lukasz Raczylo</p>
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// Rotating word animation (flip board style)
const words = ['Copy', 'Mirror', 'Clone', 'Render'];
let currentWordIndex = 0;
const rotatingWordElement = document.getElementById('rotatingWord');
function rotateWord() {
rotatingWordElement.classList.remove('word-flip');
// Trigger reflow to restart animation
void rotatingWordElement.offsetWidth;
rotatingWordElement.classList.add('word-flip');
// Change word at the midpoint of the flip (when it's perpendicular)
setTimeout(() => {
currentWordIndex = (currentWordIndex + 1) % words.length;
rotatingWordElement.textContent = words[currentWordIndex];
}, 300); // Half of the 600ms animation duration
}
// Rotate word every 3 seconds
setInterval(rotateWord, 3000);
</script>
</body>
</html>
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