diff --git a/_posts/2020-5-5-covid-19-vlog-3.md b/_posts/2020-5-5-covid-19-vlog-3.md
index 8f29718b7..c4156c9a5 100644
--- a/_posts/2020-5-5-covid-19-vlog-3.md
+++ b/_posts/2020-5-5-covid-19-vlog-3.md
@@ -13,6 +13,8 @@ featured-image: "covid-19-vlog-3.jpg"
 
 Whilst waiting on the delivery of some Arduino components, I decided to take a closer look at Docker 🐳. In this video we'll learn how to "Dockerise" a Ruby on Rails application, spin up a Postgres database and wire up an NGINX web server, all using the magic of Docker and Docker Compose. <br/> 
 
+[My DigitalOcean referral link (free $100 credit for you)](https://m.do.co/c/0a355ee4921b)
+
 [🎬Playlist of all VLOG entries](https://www.youtube.com/playlist?list=PLZKJZNiPX65uKeoHLLvi2rh25T9PvtAQc)
 
 <b>Dockerfile</b>