Added more security info

cloud.md

@@ -1,10 +1,10 @@
 Hello! 
 
-If you would like to ship the chat app to the cloud using a DigitalOcean droplet please follow the instructions below: 
+If you would like to ship the Revel chat app to the cloud using a DigitalOcean droplet please follow the instructions below: 
 
 If you don't have a DigitalOcean account you can get $10 in credit by signing up with this link: do.co/tammyshark 
 
-Create a droplet: 1GB Ubuntu 15.04 x64. Tick User Data and enter the following cloud-config/metadata/user data script:
+Create a droplet: 1GB Ubuntu 15.04 x64. Tick User Data and enter the following cloud-config/metadata/user data script. The reason we use this script is that it will create a more secure droplet with a new user, firewall and fail2ban. 
 
 ``` 
 #cloud-config
@@ -17,7 +17,7 @@ users:
 runcmd:
   - apt-get update && apt-get upgrade -y
   - sed -i -e '/^PermitRootLogin/s/^.*$/PermitRootLogin no/' /etc/ssh/sshd_config
-  - sed -i -e '$aAllowUsers chat' /etc/ssh/sshd_config
+  - sed -i -e '$aAllowUsers demo' /etc/ssh/sshd_config
   - restart ssh
   - ufw allow 22,80,443
   - ufw enable
@@ -29,3 +29,8 @@ runcmd:
 ``` 
 
 <3
+
+Then ssh into your droplet, install go and grab the revel chat app. 
+
+There is a guide on how to do that here: https://www.digitalocean.com/community/tutorials/how-to-install-go-and-revel-on-an-ubuntu-13-04-x64-vps
+