Terraform-3tier-sample project

Create 3 tier sample infra on AWS with Terraform

Infra structure

You infra structure will created as below.
You can change with your own infra structure configuration.

Infra security

You infra security will created as below.
You can change with your own security configuruation.

How to use

You will need to install terraform on you local computer.
And setup AWS access key (You can use AWS CLI or just create your own).

Create secret variables file that not registerd on git

Create secrets.tfvars file

Add sensitive variable and values like below

# Your trusted external IP for SSH access 
ssh-locate  = "xx.xx.xx.xx/32" # Your SSH connection IP

# Your database user for production 
db-user     = "************" # your DB user

# Your database password for production 
db-password = "************" # your DB password

Terraform initialize (first time only)

Initialize terraform for run

terraform init

Format files

Format style for your terraform files

terraform fmt

Terraform plan from source

Planing infra structure for change
Execute before apply

terraform plan -var-file="secrets.tfvars"

Terraform validate source

Check terraform file errors

terraform validate

Terraform execute plan to cloud with secret values

Execute infra structure for production (Create / Change)

terraform apply -var-file="secrets.tfvars"

Terraform destroy all resource created by terraform

Remove infra structure for production

terraform destroy -var-file="secrets.tfvars"