Terraform ECS Cluster

This repository contains Terrorform configuration files to deploy data-persistent wordpress application based on ECS hosted across multiple AWS zones.

AWS Components

• Amazon ECS
• Amazon RDS
• Amazon EFS
• Amazon EC2
• Amazon VPC
• Amazon ELB
• Amazon IAM

Requirements

To use this example you will need an AWS account and:

Export AWS Credentials or AWS profile.

export AWS_ACCESS_KEY_ID=your_access_key
export AWS_SECRET_ACCESS_KEY=your_secret_access_key

If you are maintaining multiple aws profile, export required AWS Named profile

export AWS_PROFILE=your_profile_name

• Terraform

Use

• Update values accordingly for cluster in variable.tf

variable "ecs-cluster-name" {
    description = "The name for the cluster."
    default = "demo-ecs-cluster"
}

variable "ecs-key-pair-name" {
    description = "The name for the cluster."
    default = "demo"
}

• RDS details are mentioned terraform.tavars

production_database_name      = "dummy_data"
production_database_username  = "demo"
production_database_password  = "defaultpassword"

• Deploy all the infrastructure needed on AWS using Terraform.

# terraform get
# terraform init
# terraform plan -out config
# terraform apply config

Once deployed, open ALB DNS on browser. It will start the wordpress application setup.

The RDS connection parameters will be passed on runtime to the Wordpress containers via environment variables.

• Once not needed, we can remove all the AWS infrastructure:

# terraform destroy

• To deploy individual AWS components:

Configure a new VPC.

terraform apply -target=module.vpc

Configure a new ECS Cluster with a service.

terraform apply -target=module.ecs

Configure the auto scaling group and launch configuration via EC2.

terraform apply -target=module.ec2

Configure and launch RDS.

terraform apply -target=module.rds

Author

[Shashank Sinha] [email protected]