In VPC interface, choose Subnets on the sidebar, then click Create subnet

In Create subnet interface, choose the VPC just created is my-vpc

After choosing VPC, the Subnet settings will appear
Public Subnet 110.10.1.0/24
Finish creating Subnet

Perform the same steps to create more subnets
Public subnet 2 with CIDR 10.10.2.0/24 and AZ ap-southeast-1b.

Private subnet 1 with CIDR 10.10.3.0/24 and AZ ap-southeast-1a.

Private subnet 2 with CIDR 10.10.4.0/24 and AZ ap-southeast-1b.

Private DB Subnet 1 with CIDR 10.10.5.0/24 and AZ ap-southeast-1a.

Private DB Subnet 2 with CIDR 10.10.6.0/24 and AZ ap-southeast-1b.

Finish creating 6 subnets.

In Subnets interface, choose Public Subnet 1, choose Actions and choose Edit subnet settings

Tick Enable auto-assign public IPv4 address, then choose Save

Repeat the steps above to apply for Public subnet 02

Go back to Your VPCs and view the Resource map of my-vpc
