security-grp.md

Step 4 : Creating Security Group

1. We have to Set up a security group to control inbound and outbound traffic for our instances.
2. We have to create three separate security groups for our infrastructure
3. lb-sg.tf to create security group for Application load balancer.
4. sg.tf to create security group for Instances in Public subnets
5. db-sg.tf to create security group for RDS Instance in the Private subnets
6. Configuration files for this step can be found in my Repository.