Creates a highly available Wordpress website using CloudFormation within ap-southeast-2 region*.
- Amazon Virtual Private Cloud
- Internet Gateway
- NAT Gateway with Elastic IP address
- 2 Public and 2 Private subnets across ap-southeast-2a & ap-southeast-2b
- Routing tables for public subnets routing through Internet Gateway
- Routing tables for private subnets routing through NAT Gateway
- Mulitple VPC Security Groups for RDS, EFS, Wordpress instances & ALB
- IAM Role and associated instance profile
- Amazon RDS Aurora cluster in private subnets with a read replica
- Amazon EFS file system in both private subnets
- Amazon ELB Application Load Balancer in both public subnets
- Auto Scaling Group launching Wordpress instances in both private subnets
| Name | Value |
|---|---|
| Stack name | Wordpress |
| VPC CIDR | 10.0.0.0/16 |
| Public Subnet 0 | 10.0.10.0/24 |
| Public Subnet 1 | 10.0.11.0/24 |
| Private Subnet 0 | 10.0.0.0/24 |
| Private Subnet 1 | 10.0.1.0/24 |
| Database Username | dbadmin |
| Database Password | ******** |
| Database Instance Class | db.t2.medium |
| Auto Scaling Max | 4 |
| Auto Scaling Min | 2 |
| Wordpress Version | latest |
| Site title | HA WordPress site |
| Admin Username | admin |
| Admin Password | ******** |
| Email Address | email@example.com |
| Wordpress Directory | technical-challenge |
You may set auto scaling max and min values to 1 and use a modified template which only utilizes a single AZ reducing the RDS instance to 1 without a read replica & EFS with only a single AZ target.
*Region restriction is due to hard coded Wordpress AMI id