Infrastructure as Code with Terraform

• Created a terraform configuration file that can to setup all the networking resources.
• Terraform configuration files is designed to create multiple VPCs including all of it resources such as subnets, internet gateway, route table, etc.
• Terraform apply will launch latest instance, create RDS instance, create and attach all policies related to S3 bucket and S3 user.
• Terraform template should add/update the DNS record.
• Secured Application Endpoints

Environment variables/Github Secrets

1. region
2. availabilityZone
3. subnetCIDRblock
4. vpcCIDRblock
5. destinationCIDRblock
6. vpc_name
7. ingressCIDRblock
8. egressCIDRblock
9. rdsDBName
10. rdsUsername
11. rdsPassword
12. rdsInstanceIdentifier
13. engine_version
14. instance_type
15. my_key
16. ec2_root_volume_size
17. ec2_root_volume_type
18. image_id
19. dynamo_tablename
20. policy_WebAppS3
21. iamrole
22. dev_owner
23. domainName
24. routeprofile

Command for building terraform

1. terraform validate -var-file="sensitive.tfvars"
2. terraform apply -var-file="sensitive.tfvars"
3. terraform destroy

Terraform workspaces

• Teraaform workdspaces used to create muliple network resources using same configuration files.
• terraform workspace [options] [args]

1. terraform workspace to check all commands.
2. terraform workspace new [NAME] to create new workspace.
3. Use apply command in newly created workspace.
4. terraform workspace show to check current workspace.
5. terraform workspace select [NAME] to switch between workspaces.

Download Terraform

Download Terraform