Deploy Webapp

deploy.sh

• calls aws cloudformation create-stack
• passes in the CloudFormation template JSON file

cloud_formation_template.json

• LaunchConfig with UserData

• UserData installs git

• UserData clones this repo

• UserData downloads and installs rvm

• UserData installs Sinatra gem

• UserData logs app.rb to rubyApp.log

• ElasticLoadBalancer with instance port listening at 4567

• ASG of size 2

• Output ELB URL

app.rb

• Gets the instance number using Net::HTTP.get(uri)
• Outputs the instance number at the web root