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<h1>Hugo on Kubernetes &amp; NGINX</h1>
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<p>i decided to make a website. a static one. this one. with <a href="https://gohugo.io">Hugo</a>. this
is basically as a vanity project so i have some stuff to host in a
<a href="https://kubernetes.io">Kubernetes</a> cluster i&rsquo;m running. the k8s cluster is also as a vanity
project.</p>
<p>because i don&rsquo;t like software, i wanted a way to deploy my site that
doesn&rsquo;t involve much. this post is about that.</p>
<h2 id="getting-started">Getting Started</h2>
<p>i built my site by following the straight-forward <em><a href="https://gohugo.io/getting-started">Getting Started</a></em>
guide in the Hugo documentation.</p>
<p>i did <code>hugo new site estradiol.cloud</code>. and then <code>cd estradiol.cloud; git init</code>. and
then i picked a ridiculous theme <a href="https://github.com/joeroe/risotto">&ldquo;inspired by terminal ricing aesthetics&rdquo;</a>,
installing it like <code>git submodule add https://github.com/joeroe/risotto.git themes/risotto; echo &quot;theme = 'risotto'&quot; &gt;&gt; hugo.toml</code>. i appreciate the culinary naming choice.</p>
<p>at this point, my website is basically finished (i also changed the title in <code>hugo.toml</code>).
i probably won&rsquo;t be putting much on it, so there&rsquo;s no point fussing with other details.</p>
<p>about deployment, the guide&rsquo;s <em><a href="https://gohugo.io/getting-started/usage/#deploy-your-site">Basic Usage</a></em> page has this to offer:</p>
<blockquote>
<p>Most of our users deploy their sites using a CI/CD workflow, where a push<sup>1</sup>
to their GitHub or GitLab repository triggers a build and deployment. Popular
providers include AWS Amplify, CloudCannon, Cloudflare Pages, GitHub Pages,
GitLab Pages, and Netlify.</p>
<ol>
<li>The Git repository contains the entire project directory, typically excluding the
public directory because the site is built <em>after</em> the push.</li>
</ol>
</blockquote>
<p>importantly, you can&rsquo;t make a post about depoying this way. <em>everyone</em> deploys
this way.</p>
<p>it also involves some system somewhere that can run Hugo to build the site, and push
it to some remote system where my cluster can reach it. i definitely already need
Hugo installed on my workstation if i&rsquo;m going to post anything here (unlikely), so
now i&rsquo;m running Hugo in two places. there&rsquo;s definitely going to be other complex
nonsense like webhooks involved.</p>
<p>and hang on. let&rsquo;s look at this again:</p>
<blockquote>
<ol>
<li>The Git repository contains the entire project directory, typically excluding the
public directory because the site is built <em>after</em> the push.</li>
</ol>
</blockquote>
<p>you&rsquo;re telling me i&rsquo;m going to build a nice static site and not check the
<em>actual content</em> into version control? couldn&rsquo;t be me.</p>
<h2 id="getting-static">Getting Static</h2>
<p>what if instead i pushed my site to a git repository exactly as i intend to serve it?
then i could shell into my webserver, pull the site, and <em>nifty-galifty!</em> isn&rsquo;t this
the way it has <a href="https://www.mikecurato.com/worm-loves-worm">always been done</a>?</p>
<p>one problem is that i don&rsquo;t have a webserver, i have a <em>container orchestration
system</em>. there are several upsides to this (few of which are relevant for my project)
but it demands i get a bit more clever. i <em>could</em> run a little pipeline that builds a
container wrapping my static site, pushes it to a registry somewhere so my deployments
can pull it, all ready to go. but now i&rsquo;ve got <em>software</em> again; build stages and webhooks
and i&rsquo;m hosting and versioning container images. i don&rsquo;t want any of this.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-yaml" data-lang="yaml"><span style="display:flex;"><span><span style="color:#f92672">apiVersion</span>: <span style="color:#ae81ff">apps/v1</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">kind</span>: <span style="color:#ae81ff">Deployment</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">metadata</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">labels</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">app.kubernetes.io/instance</span>: <span style="color:#ae81ff">estradiol-cloud</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">app.kubernetes.io/name</span>: <span style="color:#ae81ff">nginx</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">name</span>: <span style="color:#ae81ff">web-nginx</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">namespace</span>: <span style="color:#ae81ff">estradiol-cloud</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">spec</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">replicas</span>: <span style="color:#ae81ff">1</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">selector</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">matchLabels</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">app.kubernetes.io/instance</span>: <span style="color:#ae81ff">estradiol-cloud</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">app.kubernetes.io/name</span>: <span style="color:#ae81ff">nginx</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">template</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">metadata</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">labels</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">app.kubernetes.io/instance</span>: <span style="color:#ae81ff">estradiol-cloud</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">app.kubernetes.io/name</span>: <span style="color:#ae81ff">nginx</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">spec</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">containers</span>:
</span></span><span style="display:flex;"><span> - <span style="color:#f92672">name</span>: <span style="color:#ae81ff">git-repo-syncer</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">image</span>: <span style="color:#ae81ff">docker.io/bitnami/git:2.43.2-debian-12-r2</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">imagePullPolicy</span>: <span style="color:#ae81ff">IfNotPresent</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">command</span>:
</span></span><span style="display:flex;"><span> - <span style="color:#ae81ff">/bin/bash</span>
</span></span><span style="display:flex;"><span> - -<span style="color:#ae81ff">ec</span>
</span></span><span style="display:flex;"><span> - |<span style="color:#e6db74">
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74"> while true; do
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74"> cd /app &amp;&amp; git -c safe.directory=/app pull origin trunk
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74"> sleep 60
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74"> done</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">volumeMounts</span>:
</span></span><span style="display:flex;"><span> - <span style="color:#f92672">mountPath</span>: <span style="color:#ae81ff">/app</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">name</span>: <span style="color:#ae81ff">staticsite</span>
</span></span><span style="display:flex;"><span> - <span style="color:#f92672">name</span>: <span style="color:#ae81ff">nginx</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">image</span>: <span style="color:#ae81ff">docker.io/bitnami/nginx:1.25.4-debian-12-r2</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">imagePullPolicy</span>: <span style="color:#ae81ff">IfNotPresent</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">env</span>:
</span></span><span style="display:flex;"><span> - <span style="color:#f92672">name</span>: <span style="color:#ae81ff">NGINX_HTTP_PORT_NUMBER</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">value</span>: <span style="color:#e6db74">&#34;8080&#34;</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">livenessProbe</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">tcpSocket</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">port</span>: <span style="color:#ae81ff">http</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">readinessProbe</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">tcpSocket</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">port</span>: <span style="color:#ae81ff">http</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">ports</span>:
</span></span><span style="display:flex;"><span> - <span style="color:#f92672">containerPort</span>: <span style="color:#ae81ff">8080</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">name</span>: <span style="color:#ae81ff">http</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">protocol</span>: <span style="color:#ae81ff">TCP</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">volumeMounts</span>:
</span></span><span style="display:flex;"><span> - <span style="color:#f92672">mountPath</span>: <span style="color:#ae81ff">/opt/bitnami/nginx/conf/server_blocks</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">name</span>: <span style="color:#ae81ff">nginx-server-block</span>
</span></span><span style="display:flex;"><span> - <span style="color:#f92672">mountPath</span>: <span style="color:#ae81ff">/app</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">name</span>: <span style="color:#ae81ff">staticsite</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">initContainers</span>:
</span></span><span style="display:flex;"><span> - <span style="color:#f92672">name</span>: <span style="color:#ae81ff">git-clone-repository</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">image</span>: <span style="color:#ae81ff">docker.io/bitnami/git:2.43.2-debian-12-r2</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">imagePullPolicy</span>: <span style="color:#ae81ff">IfNotPresent</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">command</span>:
</span></span><span style="display:flex;"><span> - <span style="color:#ae81ff">/bin/bash</span>
</span></span><span style="display:flex;"><span> - -<span style="color:#ae81ff">ec</span>
</span></span><span style="display:flex;"><span> - |<span style="color:#e6db74">
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74"> [[ -f &#34;/opt/bitnami/scripts/git/entrypoint.sh&#34; ]] &amp;&amp; source &#34;/opt/bitnami/scripts/git/entrypoint.sh&#34;
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74"> git clone https://code.estradiol.cloud/tamsin/estradiol.cloud.git --no-checkout --branch trunk /tmp/app
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74"> [[ &#34;$?&#34; -eq 0 ]] &amp;&amp; cd /tmp/app &amp;&amp; git sparse-checkout init --cone &amp;&amp; git sparse-checkout set public &amp;&amp; git checkout &amp;&amp; shopt -s dotglob &amp;&amp; rm -rf /app/* &amp;&amp; mv /tmp/app/* /app/</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">volumeMounts</span>:
</span></span><span style="display:flex;"><span> - <span style="color:#f92672">mountPath</span>: <span style="color:#ae81ff">/app</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">name</span>: <span style="color:#ae81ff">staticsite</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">restartPolicy</span>: <span style="color:#ae81ff">Always</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">terminationGracePeriodSeconds</span>: <span style="color:#ae81ff">30</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">volumes</span>:
</span></span><span style="display:flex;"><span> - <span style="color:#f92672">configMap</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">defaultMode</span>: <span style="color:#ae81ff">420</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">name</span>: <span style="color:#ae81ff">web-nginx-server-block</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">name</span>: <span style="color:#ae81ff">nginx-server-block</span>
</span></span><span style="display:flex;"><span> - <span style="color:#f92672">emptyDir</span>: {}
</span></span><span style="display:flex;"><span> <span style="color:#f92672">name</span>: <span style="color:#ae81ff">staticsite</span>
</span></span></code></pre></div><h2 id="getting-fluxd">Getting Flux&rsquo;d</h2>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-yaml" data-lang="yaml"><span style="display:flex;"><span><span style="color:#f92672">apiVersion</span>: <span style="color:#ae81ff">source.toolkit.fluxcd.io/v1beta2</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">kind</span>: <span style="color:#ae81ff">HelmRepository</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">metadata</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">name</span>: <span style="color:#ae81ff">bitnami</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">namespace</span>: <span style="color:#ae81ff">default</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">spec</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">url</span>: <span style="color:#ae81ff">https://charts.bitnami.com/bitnami</span>
</span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-yaml" data-lang="yaml"><span style="display:flex;"><span><span style="color:#f92672">apiVersion</span>: <span style="color:#ae81ff">source.toolkit.fluxcd.io/v1beta2</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">kind</span>: <span style="color:#ae81ff">HelmRepository</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">metadata</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">name</span>: <span style="color:#ae81ff">bitnami</span>
</span></span><span style="display:flex;"><span> <span style="color:#f92672">namespace</span>: <span style="color:#ae81ff">default</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">spec</span>:
</span></span><span style="display:flex;"><span> <span style="color:#f92672">url</span>: <span style="color:#ae81ff">https://charts.bitnami.com/bitnami</span>
</span></span></code></pre></div>
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