what is a vpc
A virtual private cloud (VPC) is a virtual network dedicated to your AWS account.
It is logically isolated from other virtual networks in the AWS Cloud.what is a vpc
A virtual private cloud (VPC) is a virtual network dedicated to your AWS account.
It is logically isolated from other virtual networks in the AWS Cloud.vpc
Create the VPC
resource "aws_vpc" "Main" { # Creating VPC here
cidr_block = var.main_vpc_cidr # Defining the CIDR block use 10.0.0.0/24 for demo
instance_tenancy = "default"
}
Create Internet Gateway and attach it to VPC
resource "aws_internet_gateway" "IGW" { # Creating Internet Gateway
vpc_id = aws_vpc.Main.id # vpc_id will be generated after we create VPC
}
Create a Public Subnets.
resource "aws_subnet" "publicsubnets" { # Creating Public Subnets
vpc_id = aws_vpc.Main.id
cidr_block = "${var.public_subnets}" # CIDR block of public subnets
}
Create a Private Subnet # Creating Private Subnets
resource "aws_subnet" "privatesubnets" {
vpc_id = aws_vpc.Main.id
cidr_block = "${var.private_subnets}" # CIDR block of private subnets
}
Route table for Public Subnet's
resource "aws_route_table" "PublicRT" { # Creating RT for Public Subnet
vpc_id = aws_vpc.Main.id
route {
cidr_block = "0.0.0.0/0" # Traffic from Public Subnet reaches Internet via Internet Gateway
gateway_id = aws_internet_gateway.IGW.id
}
}
Route table for Private Subnet's
resource "aws_route_table" "PrivateRT" { # Creating RT for Private Subnet
vpc_id = aws_vpc.Main.id
route {
cidr_block = "0.0.0.0/0" # Traffic from Private Subnet reaches Internet via NAT Gateway
nat_gateway_id = aws_nat_gateway.NATgw.id
}
}
Route table Association with Public Subnet's
resource "aws_route_table_association" "PublicRTassociation" {
subnet_id = aws_subnet.publicsubnets.id
route_table_id = aws_route_table.PublicRT.id
}
Route table Association with Private Subnet's
resource "aws_route_table_association" "PrivateRTassociation" {
subnet_id = aws_subnet.privatesubnets.id
route_table_id = aws_route_table.PrivateRT.id
}
resource "aws_eip" "nateIP" {
vpc = true
}
Creating the NAT Gateway using subnet_id and allocation_id
resource "aws_nat_gateway" "NATgw" {
allocation_id = aws_eip.nateIP.id
subnet_id = aws_subnet.publicsubnets.id
}Copyright © 2021 Codeinu
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