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A Terraform module to create private subnets with NAT Gateway in VPC in AWS.
Make sure that you don't hit soft-limit of EIP per VPC.
If you want to create public and private subnets using single module you can use tf_aws_vpc module.
name
- Name (optional)vpc_id
- VPC idcidrs
- Comma-separated list of private subnet CIDR blocksazs
- Comma-separated list of availability zonespublic_subnet_ids
- Comma-separated list of public subnet ids where NAT gateway will be creatednat_gateways_count
- Number of NAT gateways to create (shoud be at least 1). For high-availability make it equal to public subnets.
module "private_subnet" {
source = "github.com/terraform-community-modules/tf_aws_private_subnet_nat_gateway"
name = "production-private"
vpc_id = "vpc-12345678"
cidrs = "10.4.1.0/24,10.4.2.0/24,10.4.3.0/24"
azs = "eu-west-1a,eu-west-1b,eu-west-1c"
public_subnet_ids = "subnet-123abcde,subnet-456abcde,subnet-789abcde"
nat_gateways_count = 3 # can be between 1 and "number of public subnets".
}
subnet_ids
- Comma-separated list of private subnet idsprivate_route_table_ids
- Comma-separated list of route table idsnat_eips
- Comma-separated list of NAT gateways EIPs
Originally created and maintained by Anton Babenko.
Apache 2 Licensed. See LICENSE for full details.