They have a series of earlier posts on the blog too<p><a href="https://blog.dropletpay.com/droplet-infrastructure-dockerisation/" rel="nofollow">https://blog.dropletpay.com/droplet-infrastructure-dockerisa...</a><p><a href="https://blog.dropletpay.com/droplet-infrastructure-cloud-config/" rel="nofollow">https://blog.dropletpay.com/droplet-infrastructure-cloud-con...</a><p><a href="https://blog.dropletpay.com/droplet-infrastructure-using-vagrant/" rel="nofollow">https://blog.dropletpay.com/droplet-infrastructure-using-vag...</a>