updated change since there is only one nat gateway

[kunduso]

The change closes #2

[github-actions]

💰 Infracost estimate: monthly cost will increase by $33 📈

Project	Cost change	New monthly cost
kunduso/amazon-elasticache-redis-tf/TFplan.JSON	+$33	$33

Infracost output

──────────────────────────────────
Project: kunduso/amazon-elasticache-redis-tf/TFplan.JSON

+ aws_nat_gateway.public[0]
  +$33

    + NAT gateway
      +$33

    + Data processed
      Monthly cost depends on usage
        +$0.045 per GB

Monthly cost change for kunduso/amazon-elasticache-redis-tf/TFplan.JSON
Amount:  +$33 ($0.00 → $33)

──────────────────────────────────
Key: ~ changed, + added, - removed

21 cloud resources were detected:
∙ 1 was estimated, it includes usage-based costs, see https://infracost.io/usage-file
∙ 20 were free:
  ∙ 4 x aws_route
  ∙ 4 x aws_route_table
  ∙ 4 x aws_route_table_association
  ∙ 4 x aws_subnet
  ∙ 1 x aws_default_security_group
  ∙ 1 x aws_eip
  ∙ 1 x aws_internet_gateway
  ∙ 1 x aws_vpc

Infracost estimate: monthly cost will increase by $33 ↑
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━┓
┃ Project                                            ┃ Cost change ┃ New monthly cost ┃
┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╋━━━━━━━━━━━━━╋━━━━━━━━━━━━━━━━━━┫
┃ kunduso/amazon-elasticache-redis-tf/TFplan.JSON    ┃        +$33 ┃ $33              ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┻━━━━━━━━━━━━━┻━━━━━━━━━━━━━━━━━━┛

_{This comment will be updated when the cost estimate changes.}

[github-actions]

Terraform Format and Style 🖌success

Terraform Initialization ⚙️success

Terraform Plan 📖success

Terraform Validation 🤖success

Show Plan

terraform
data.aws_availability_zones.available: Reading...
data.aws_availability_zones.available: Read complete after 1s [id=us-east-2]

Terraform used the selected providers to generate the following execution
plan. Resource actions are indicated with the following symbols:
  + create

Terraform will perform the following actions:

  # aws_default_security_group.default will be created
  + resource "aws_default_security_group" "default" {
      + arn                    = (known after apply)
      + description            = (known after apply)
      + egress                 = (known after apply)
      + id                     = (known after apply)
      + ingress                = (known after apply)
      + name                   = (known after apply)
      + name_prefix            = (known after apply)
      + owner_id               = (known after apply)
      + revoke_rules_on_delete = false
      + tags_all               = {
          + "Source" = "https://github.com/kunduso/add-asg-elb-terraform"
        }
      + vpc_id                 = (known after apply)
    }

  # aws_eip.nat_gateway[0] will be created
  + resource "aws_eip" "nat_gateway" {
      + allocation_id        = (known after apply)
      + association_id       = (known after apply)
      + carrier_ip           = (known after apply)
      + customer_owned_ip    = (known after apply)
      + domain               = "vpc"
      + id                   = (known after apply)
      + instance             = (known after apply)
      + network_border_group = (known after apply)
      + network_interface    = (known after apply)
      + private_dns          = (known after apply)
      + private_ip           = (known after apply)
      + public_dns           = (known after apply)
      + public_ip            = (known after apply)
      + public_ipv4_pool     = (known after apply)
      + tags_all             = {
          + "Source" = "https://github.com/kunduso/add-asg-elb-terraform"
        }
      + vpc                  = (known after apply)
    }

  # aws_internet_gateway.this-igw will be created
  + resource "aws_internet_gateway" "this-igw" {
      + arn      = (known after apply)
      + id       = (known after apply)
      + owner_id = (known after apply)
      + tags     = {
          + "Name" = "app-4-gateway"
        }
      + tags_all = {
          + "Name"   = "app-4-gateway"
          + "Source" = "https://github.com/kunduso/add-asg-elb-terraform"
        }
      + vpc_id   = (known after apply)
    }

  # aws_nat_gateway.public[0] will be created
  + resource "aws_nat_gateway" "public" {
      + allocation_id                      = (known after apply)
      + association_id                     = (known after apply)
      + connectivity_type                  = "public"
      + id                                 = (known after apply)
      + network_interface_id               = (known after apply)
      + private_ip                         = (known after apply)
      + public_ip                          = (known after apply)
      + secondary_private_ip_address_count = (known after apply)
      + secondary_private_ip_addresses     = (known after apply)
      + subnet_id                          = (known after apply)
      + tags                               = {
          + "Name" = "app-4-NAT-1"
        }
      + tags_all                           = {
          + "Name"   = "app-4-NAT-1"
          + "Source" = "https://github.com/kunduso/add-asg-elb-terraform"
        }
    }

  # aws_route.internet-route will be created
  + resource "aws_route" "internet-route" {
      + destination_cidr_block = "0.0.0.0/0"
      + gateway_id             = (known after apply)
      + id                     = (known after apply)
      + instance_id            = (known after apply)
      + instance_owner_id      = (known after apply)
      + network_interface_id   = (known after apply)
      + origin                 = (known after apply)
      + route_table_id         = (known after apply)
      + state                  = (known after apply)
    }

  # aws_route.private-route[0] will be created
  + resource "aws_route" "private-route" {
      + destination_cidr_block = "0.0.0.0/0"
      + id                     = (known after apply)
      + instance_id            = (known after apply)
      + instance_owner_id      = (known after apply)
      + nat_gateway_id         = (known after apply)
      + network_interface_id   = (known after apply)
      + origin                 = (known after apply)
      + route_table_id         = (known after apply)
      + state                  = (known after apply)
    }

  # aws_route.private-route[1] will be created
  + resource "aws_route" "private-route" {
      + destination_cidr_block = "0.0.0.0/0"
      + id                     = (known after apply)
      + instance_id            = (known after apply)
      + instance_owner_id      = (known after apply)
      + nat_gateway_id         = (known after apply)
      + network_interface_id   = (known after apply)
      + origin                 = (known after apply)
      + route_table_id         = (known after apply)
      + state                  = (known after apply)
    }

  # aws_route.private-route[2] will be created
  + resource "aws_route" "private-route" {
      + destination_cidr_block = "0.0.0.0/0"
      + id                     = (known after apply)
      + instance_id            = (known after apply)
      + instance_owner_id      = (known after apply)
      + nat_gateway_id         = (known after apply)
      + network_interface_id   = (known after apply)
      + origin                 = (known after apply)
      + route_table_id         = (known after apply)
      + state                  = (known after apply)
    }

  # aws_route_table.private[0] will be created
  + resource "aws_route_table" "private" {
      + arn              = (known after apply)
      + id               = (known after apply)
      + owner_id         = (known after apply)
      + propagating_vgws = (known after apply)
      + route            = (known after apply)
      + tags             = {
          + "Name" = "app-4-private-route-table-1"
        }
      + tags_all         = {
          + "Name"   = "app-4-private-route-table-1"
          + "Source" = "https://github.com/kunduso/add-asg-elb-terraform"
        }
      + vpc_id           = (known after apply)
    }

  # aws_route_table.private[1] will be created
  + resource "aws_route_table" "private" {
      + arn              = (known after apply)
      + id               = (known after apply)
      + owner_id         = (known after apply)
      + propagating_vgws = (known after apply)
      + route            = (known after apply)
      + tags             = {
          + "Name" = "app-4-private-route-table-2"
        }
      + tags_all         = {
          + "Name"   = "app-4-private-route-table-2"
          + "Source" = "https://github.com/kunduso/add-asg-elb-terraform"
        }
      + vpc_id           = (known after apply)
    }

  # aws_route_table.private[2] will be created
  + resource "aws_route_table" "private" {
      + arn              = (known after apply)
      + id               = (known after apply)
      + owner_id         = (known after apply)
      + propagating_vgws = (known after apply)
      + route            = (known after apply)
      + tags             = {
          + "Name" = "app-4-private-route-table-3"
        }
      + tags_all         = {
          + "Name"   = "app-4-private-route-table-3"
          + "Source" = "https://github.com/kunduso/add-asg-elb-terraform"
        }
      + vpc_id           = (known after apply)
    }

  # aws_route_table.public will be created
  + resource "aws_route_table" "public" {
      + arn              = (known after apply)
      + id               = (known after apply)
      + owner_id         = (known after apply)
      + propagating_vgws = (known after apply)
      + route            = (known after apply)
      + tags             = {
          + "Name" = "app-4-public"
        }
      + tags_all         = {
          + "Name"   = "app-4-public"
          + "Source" = "https://github.com/kunduso/add-asg-elb-terraform"
        }
      + vpc_id           = (known after apply)
    }

  # aws_route_table_association.private[0] will be created
  + resource "aws_route_table_association" "private" {
      + id             = (known after apply)
      + route_table_id = (known after apply)
      + subnet_id      = (known after apply)
    }

  # aws_route_table_association.private[1] will be created
  + resource "aws_route_table_association" "private" {
      + id             = (known after apply)
      + route_table_id = (known after apply)
      + subnet_id      = (known after apply)
    }

  # aws_route_table_association.private[2] will be created
  + resource "aws_route_table_association" "private" {
      + id             = (known after apply)
      + route_table_id = (known after apply)
      + subnet_id      = (known after apply)
    }

  # aws_route_table_association.public[0] will be created
  + resource "aws_route_table_association" "public" {
      + id             = (known after apply)
      + route_table_id = (known after apply)
      + subnet_id      = (known after apply)
    }

  # aws_subnet.private[0] will be created
  + resource "aws_subnet" "private" {
      + arn                                            = (known after apply)
      + assign_ipv6_address_on_creation                = false
      + availability_zone                              = "us-east-2a"
      + availability_zone_id                           = (known after apply)
      + cidr_block                                     = "10.20.30.0/27"
      + enable_dns64                                   = false
      + enable_resource_name_dns_a_record_on_launch    = false
      + enable_resource_name_dns_aaaa_record_on_launch = false
      + id                                             = (known after apply)
      + ipv6_cidr_block_association_id                 = (known after apply)
      + ipv6_native                                    = false
      + map_public_ip_on_launch                        = false
      + owner_id                                       = (known after apply)
      + private_dns_hostname_type_on_launch            = (known after apply)
      + tags                                           = {
          + "Name" = "app-4-private-1"
        }
      + tags_all                                       = {
          + "Name"   = "app-4-private-1"
          + "Source" = "https://github.com/kunduso/add-asg-elb-terraform"
        }
      + vpc_id                                         = (known after apply)
    }

  # aws_subnet.private[1] will be created
  + resource "aws_subnet" "private" {
      + arn                                            = (known after apply)
      + assign_ipv6_address_on_creation                = false
      + availability_zone                              = "us-east-2b"
      + availability_zone_id                           = (known after apply)
      + cidr_block                                     = "10.20.30.32/27"
      + enable_dns64                                   = false
      + enable_resource_name_dns_a_record_on_launch    = false
      + enable_resource_name_dns_aaaa_record_on_launch = false
      + id                                             = (known after apply)
      + ipv6_cidr_block_association_id                 = (known after apply)
      + ipv6_native                                    = false
      + map_public_ip_on_launch                        = false
      + owner_id                                       = (known after apply)
      + private_dns_hostname_type_on_launch            = (known after apply)
      + tags                                           = {
          + "Name" = "app-4-private-2"
        }
      + tags_all                                       = {
          + "Name"   = "app-4-private-2"
          + "Source" = "https://github.com/kunduso/add-asg-elb-terraform"
        }
      + vpc_id                                         = (known after apply)
    }

  # aws_subnet.private[2] will be created
  + resource "aws_subnet" "private" {
      + arn                                            = (known after apply)
      + assign_ipv6_address_on_creation                = false
      + availability_zone                              = "us-east-2c"
      + availability_zone_id                           = (known after apply)
      + cidr_block                                     = "10.20.30.64/27"
      + enable_dns64                                   = false
      + enable_resource_name_dns_a_record_on_launch    = false
      + enable_resource_name_dns_aaaa_record_on_launch = false
      + id                                             = (known after apply)
      + ipv6_cidr_block_association_id                 = (known after apply)
      + ipv6_native                                    = false
      + map_public_ip_on_launch                        = false
      + owner_id                                       = (known after apply)
      + private_dns_hostname_type_on_launch            = (known after apply)
      + tags                                           = {
          + "Name" = "app-4-private-3"
        }
      + tags_all                                       = {
          + "Name"   = "app-4-private-3"
          + "Source" = "https://github.com/kunduso/add-asg-elb-terraform"
        }
      + vpc_id                                         = (known after apply)
    }

  # aws_subnet.public[0] will be created
  + resource "aws_subnet" "public" {
      + arn                                            = (known after apply)
      + assign_ipv6_address_on_creation                = false
      + availability_zone                              = "us-east-2a"
      + availability_zone_id                           = (known after apply)
      + cidr_block                                     = "10.20.30.96/27"
      + enable_dns64                                   = false
      + enable_resource_name_dns_a_record_on_launch    = false
      + enable_resource_name_dns_aaaa_record_on_launch = false
      + id                                             = (known after apply)
      + ipv6_cidr_block_association_id                 = (known after apply)
      + ipv6_native                                    = false
      + map_public_ip_on_launch                        = false
      + owner_id                                       = (known after apply)
      + private_dns_hostname_type_on_launch            = (known after apply)
      + tags                                           = {
          + "Name" = "app-4-public-1"
        }
      + tags_all                                       = {
          + "Name"   = "app-4-public-1"
          + "Source" = "https://github.com/kunduso/add-asg-elb-terraform"
        }
      + vpc_id                                         = (known after apply)
    }

  # aws_vpc.this will be created
  + resource "aws_vpc" "this" {
      + arn                                  = (known after apply)
      + cidr_block                           = "10.20.32.0/25"
      + default_network_acl_id               = (known after apply)
      + default_route_table_id               = (known after apply)
      + default_security_group_id            = (known after apply)
      + dhcp_options_id                      = (known after apply)
      + enable_dns_hostnames                 = true
      + enable_dns_support                   = true
      + enable_network_address_usage_metrics = (known after apply)
      + id                                   = (known after apply)
      + instance_tenancy                     = "default"
      + ipv6_association_id                  = (known after apply)
      + ipv6_cidr_block                      = (known after apply)
      + ipv6_cidr_block_network_border_group = (known after apply)
      + main_route_table_id                  = (known after apply)
      + owner_id                             = (known after apply)
      + tags                                 = {
          + "Name" = "app-4"
        }
      + tags_all                             = {
          + "Name"   = "app-4"
          + "Source" = "https://github.com/kunduso/add-asg-elb-terraform"
        }
    }

Plan: 21 to add, 0 to change, 0 to destroy.

─────────────────────────────────────────────────────────────────────────────

Saved the plan to: TFplan.JSON

To perform exactly these actions, run the following command to apply:
    terraform apply "TFplan.JSON"

Pushed by: @kunduso, Action: pull_request