Part-2 3-Tier

Create VPC


Create Subnet

For Avalability Zone-1
Create-public-Subnet-az1

private-subnet1-az1

private-subnet2-db-az1

For Availability Zone-2
public-subnet-az2

private-subnet1-az2

private-subnet2-db-az2

All the subnets are created Successfully.

Create Internet Gateway

Attach to VPC

Create NAT gateway
For Az 1

For Az 2

*Configure Routing *

Create public Route Table

Edit Routes

Edit Subnet Associations

Add Public Subnets

Create private Route Table for az1

Edit Routes

Edit Subnet Associations

Create private route table for Az2

Edit Routes

Edit Subnet Associations

Create Security Group

INternet Facing lb sg

Web Tier SG

Internal lb SG

Private Instance SG

Database SG