AWS 3TA

Introduction

Terraform Modules we will use

• terraform-aws-modules/vpc/aws
• terraform-aws-modules/security-group/aws
• terraform-aws-modules/ec2-instance/aws
• erraform-aws-modules/rds/aws

Terraform Concepts we will use

• aws_eip
• null_resource
• file provisioner
• remote-exec provisioner
• local-exec provisioner
• depends_on Meta-Argument
• auto.tfvars, .tfvars file
• datasource tf file

What was implemented?

• VPC with 3-Tier Architecture (Web, App and DB)
• AWS Security Group Terraform Module, HTTP port 80, 22 inbound rule for entire internet access 0.0.0.0/0
• Multiple EC2 Instances in VPC Private Subnets
• EC2 Instance in VPC Public Subnet Bastion Host
• Elastic IP for Bastion Host EC2 Instance
• Subnet-group for RDS database
• RDS database in database subnet-group
• Application Load Balancer
• Single NAT Gateway