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	<title>Installing Ruby with RVM on Alpine Linux</title>
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<h1>Installing Ruby with RVM on Alpine Linux</h1>
<p>2023-03-16</p>
<p>For some on-going projects I need to switch to different versions of <code>ruby</code>. Although there exist many step-by-step instructions on installing and configuring <code>rvm</code> for most Linux distros, there aren't many focused on Alpine "daily drivers".</p>
<p>So this post is more or less a helpful document for my future self. If it happens to help others then that's an added bonus!</p>
<h2>Simple Setup</h2>
<p>Make sure you have the basic packages first:</p>
<pre><code>apk update
apk add curl gcc gnupg gpg dirmngr procps musl-dev linux-headers zlib zlib-dev openssl openssl-dev libssl1.1
</code></pre>
<p>Next download the latest <code>stable</code> version of <code>rvm</code> from Github, unpack it, place it in the proper user directory (~/.rvm) and install any required libs:</p>
<pre><code>curl -sSL https://github.com/rvm/rvm/tarball/stable -o rvm-stable.tar.gz
echo 'export rvm_prefix=&quot;$HOME&quot;' &gt; ~/.rvmrc
echo 'export rvm_path=&quot;$HOME/.rvm&quot;' &gt;&gt; ~/.rvmrc
mkdir rvm &amp;&amp; cd rvm
tar --strip-components=1 -xzf ../rvm-stable.tar.gz
./install --auto-dotfiles --autolibs=0
</code></pre>
<p>Now we can remove everything and properly link to <code>rvm</code>:</p>
<pre><code>cd ../ &amp;&amp; rm -rf rvm-stable stable.tar.gz rvm
source ~/.rvm/scripts/rvm
</code></pre>
<p>Now you can freely install any version of Ruby that you desire!</p>
<pre><code>rvm install ruby-X.X.X
</code></pre>
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