tevyt / cloudformation-example-template

A CloudFormation template that will deploy a High-Availability web app.

Deploy a High-Availability Web App using CloudFormation

This template was created as part of the Udacity Cloud DevOps Nanodegree Program The template included will launch 4 EC2 instances running the Udagram App on Apache.

The application consists of 3 stacks, running the following commands in this order will create the stacks.

1. $ ./create.sh udagram network.yml network-parameters.json
2. $ ./create.sh udagram-iam iam.yml iam-parameters.json
3. $ ./create.sh udagram-servers server.yml server-parameters.json

create.sh requires aws-cli to be configured. The stacks will be created in us-west-2

The Basics

• Parameters
  • Network
    • ProjectName
    • VpcCIDR
    • PublicSubnet1CIDR
    • PrivateSubnet1CIDR
    • PublicSubnet2CIDR
    • PrivateSubnet2CIDR
  • IA
    • ProjectName
  • Server
    • ProjectName
    • MinimumWebServerInstances
    • MaximumWebServerInstances
    • WebServerVolumeSize
• Resources
  • Network
    • VPC
    • Subnets
    • NatGateways
    • ElasticIPs
    • InternetGateway
  • IAM
    • Role
    • InstancePolicy
  • Server
    • LoadBalancer
    • Launch Configuration
    • Autoscaling group
    • Security Groups
    • Listeners
    • Target Groups
• Outputs
  • Network
    • Subnets
    • VPC
  • IAM
    • InstancePolicy
  • Server
    • LoadBalancer Name