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vpc.tf
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# Internet VPC
resource "aws_vpc" "main" {
cidr_block = "10.0.0.0/16"
instance_tenancy = "default"
enable_dns_support = "true"
enable_dns_hostnames = "true"
enable_classiclink = "false"
tags = {
Name = "main"
}
}
# Subnets
resource "aws_subnet" "main-public-1" {
vpc_id = aws_vpc.main.id
cidr_block = "10.0.1.0/24"
map_public_ip_on_launch = "true"
availability_zone = var.AVAILABILITY_ZONES.az1
tags = {
Name = "main-public-1"
}
}
resource "aws_subnet" "main-public-2" {
vpc_id = aws_vpc.main.id
cidr_block = "10.0.2.0/24"
map_public_ip_on_launch = "true"
availability_zone = var.AVAILABILITY_ZONES.az2
tags = {
Name = "main-public-2"
}
}
resource "aws_subnet" "main-public-3" {
vpc_id = aws_vpc.main.id
cidr_block = "10.0.3.0/24"
map_public_ip_on_launch = "true"
availability_zone = var.AVAILABILITY_ZONES.az3
tags = {
Name = "main-public-3"
}
}
resource "aws_subnet" "main-private-1" {
vpc_id = aws_vpc.main.id
cidr_block = "10.0.4.0/24"
map_public_ip_on_launch = "false"
availability_zone = var.AVAILABILITY_ZONES.az1
tags = {
Name = "main-private-1"
}
}
resource "aws_subnet" "main-private-2" {
vpc_id = aws_vpc.main.id
cidr_block = "10.0.5.0/24"
map_public_ip_on_launch = "false"
availability_zone = var.AVAILABILITY_ZONES.az2
tags = {
Name = "main-private-2"
}
}
resource "aws_subnet" "main-private-3" {
vpc_id = aws_vpc.main.id
cidr_block = "10.0.6.0/24"
map_public_ip_on_launch = "false"
availability_zone = var.AVAILABILITY_ZONES.az3
tags = {
Name = "main-private-3"
}
}
# Internet GW
resource "aws_internet_gateway" "main-gw" {
vpc_id = aws_vpc.main.id
tags = {
Name = "main"
}
}
# route tables
resource "aws_route_table" "main-public" {
vpc_id = aws_vpc.main.id
route {
cidr_block = "0.0.0.0/0"
gateway_id = aws_internet_gateway.main-gw.id
}
tags = {
Name = "main-public-1"
}
}
# route associations public
resource "aws_route_table_association" "main-public-1-a" {
subnet_id = aws_subnet.main-public-1.id
route_table_id = aws_route_table.main-public.id
}
resource "aws_route_table_association" "main-public-2-a" {
subnet_id = aws_subnet.main-public-2.id
route_table_id = aws_route_table.main-public.id
}
resource "aws_route_table_association" "main-public-3-a" {
subnet_id = aws_subnet.main-public-3.id
route_table_id = aws_route_table.main-public.id
}
resource "aws_route_table" "main-private" {
vpc_id = aws_vpc.main.id
route {
cidr_block = "0.0.0.0/0"
nat_gateway_id = aws_nat_gateway.nat-gw.id
}
tags = {
Name = "main-private-1"
}
}
# route associations private
resource "aws_route_table_association" "main-private-1-a" {
subnet_id = aws_subnet.main-private-1.id
route_table_id = aws_route_table.main-private.id
}
resource "aws_route_table_association" "main-private-2-a" {
subnet_id = aws_subnet.main-private-2.id
route_table_id = aws_route_table.main-private.id
}
resource "aws_route_table_association" "main-private-3-a" {
subnet_id = aws_subnet.main-private-3.id
route_table_id = aws_route_table.main-private.id
}
# nat gw
resource "aws_eip" "nat" {
vpc = true
}
resource "aws_nat_gateway" "nat-gw" {
allocation_id = aws_eip.nat.id
subnet_id = aws_subnet.main-public-1.id
depends_on = [aws_internet_gateway.main-gw]
}