AWS CloudFormation let us create AWS resources with JSON or YAML files. With CloudFormation, you can create and update your AWS infrastructure by code. In the previous post, we discuss how we can create publicly available RDS (How to Make RDS in Private Subnet Accessible From the Internet). In this …

To create VPC, you first need to specify IP range. Each subnet takes IP range within the IP range of VPC. Before you decide the IP range, it is a good practice to plan first. You need to use CIDR notation for IP range. There is a cool tool to …