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Ouch. Nope. Can you create a new subnet and mark it as default?

There's no option for that in the pulumi resource, and it looks like terraform doesn't support it directly either, but they instead choose to rely on an internal mechanism for it.

<https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/default_subnet>

Once you delete the default vpc its gone, you cannot recreate. You can switch regions if you deleted one in a different region

You should be able to just create a new vpc and deploy to that

I regularly delete the default vpc (as I don't want anything deployed to "default") :slightly_smiling_face:

```// VPC
const vpc = new aws.ec2.Vpc("vpc", {
  cidrBlock: vpc_cidr,
  enableDnsSupport: true,
  enableDnsHostnames: true,
  tags: {
    ...project_tags,
    Name: `${namePrefixUpper}-VPC`,
    type: "network-infrastructure",
  },
});```

```// RDS subnet group
const rds_subnet_group = new aws.rds.SubnetGroup("rds_subnet_group", {
  name: `${project_clean}-rds-subnet-group`,
  subnetIds: [
    private_subnet_az1.id,
    private_subnet_az2.id,
  ],
});```

```//RDS cluster
const rds_cluster = new aws.rds.Cluster("rds_cluster", {
...
  dbSubnetGroupName: rds_subnet_group.name,
...
});```