Adds Ha with AWS

source/high-availability/aws/index.html.md

@@ -14,6 +14,24 @@ Login to your AWS account through the `My Account` dropdown on
 Amazon Web Services console from where we can choose all of the services 
 we'll be using to configure our cloud infrastructure. 
+## AWS Prerequisties
+
+You will require an IAM user with enough privileges
+
+
+## Network
+
+Create a new VPC. We can use `10.10.0.0/16` for the CIDR block and leave 
+tenancy as default if we don't require dedicated hardware. 
+
+Now let's create a subnet for at least two AZs. Make sure that each 
+subnet is associated the the VPC we just created, that it has a distinct 
+VPC and lastly that CIDR blocks don't overlap. It might look something 
+like the folloswing image where the first Subnet holds `10.10.10.0/24`
+and the second one holds `10.10.15.0/24`.
+
+![Subnet Creation](images/high-availability/subnet-1a.png)
+
 ## Database with RDS 
 Select the RDS service from the Database section and create a new 
@@ -66,13 +84,8 @@ Let's choose the ElastiCache service in the Database section from our
 AWS console. Press the Launch a Cache Cluster and choose Redis for our 
 DB engine. 
-Config 1 + img
-Config 2 + img
-
 ## Elastic File System for Project Data
-## GitLab Application Server
-
 ## Load Balancer

source/training/end-user/index.html.md

@@ -3,7 +3,7 @@ title: Trainings
 ----------------
 This training material is the markdown used to generate training slides 
-which can be found at [End User Slides](http://45.55.216.78:8000/#/) 
+which can be found at [End User Slides](https://gitlab-org.gitlab.io/end-user-training-slides/#/) 
 through it's [RevealJS](https://gitlab.com/gitlab-org/end-user-training-slides) 
 project.