After deploying to DigitalOcean, suddenly my containers wouldn't start due to
401 errors from DigitalOcean. The cluster never had issues before so I had to
manually add it.
<pre class="language-yaml"><code class="language-yaml code-highlight">spec:
 template:
 spec:
 imagePullSecrets:
 - name: secret-name-injected-usually-name-of-registry
</code></pre>

Add imagePullSecrets to ensure authentication for the DO registry