diff --git a/README.md b/README.md
index c3c69aa..a3fd2d9 100644
--- a/README.md
+++ b/README.md
@@ -107,7 +107,7 @@ An opinionated Terraform module that can be used to create and manage an EKS clu
 | <a name="input_phlare_bucket_name"></a> [phlare\_bucket\_name](#input\_phlare\_bucket\_name) | The name of the S3 bucket that will be used by Phlare | `string` | `""` | no |
 | <a name="input_phlare_oidc_fully_qualified_subjects"></a> [phlare\_oidc\_fully\_qualified\_subjects](#input\_phlare\_oidc\_fully\_qualified\_subjects) | The list of trusted resources which can assume the 'phlare' role using OpenID Connect. | `list(string)` | `[]` | no |
 | <a name="input_region"></a> [region](#input\_region) | The region in which to create the EKS cluster. | `string` | n/a | yes |
-| <a name="input_self_managed_node_groups"></a> [self\_managed\_node\_groups](#input\_self\_managed\_node\_groups) | A map describing the set of self-managed node groups to create. Other types of node groups besides self-managed are currently not supported. | <pre>map(object({<br/>    ami_type                     = string<br/>    ami_name_filter              = string<br/>    extra_tags                   = map(string)<br/>    instance_type                = string<br/>    kubelet_extra_args           = string<br/>    max_nodes                    = number<br/>    min_nodes                    = number<br/>    name                         = string<br/>    pre_bootstrap_user_data      = string<br/>    post_bootstrap_user_data     = string<br/>    root_volume_id               = string<br/>    root_volume_size             = number<br/>    root_volume_type             = string<br/>    subnet_ids                   = list(string)<br/>    iam_role_additional_policies = map(string)<br/>    iam_role_use_name_prefix     = optional(bool, true)<br/>    key_name                     = optional(string)<br/>  }))</pre> | n/a | yes |
+| <a name="input_self_managed_node_groups"></a> [self\_managed\_node\_groups](#input\_self\_managed\_node\_groups) | A map describing the set of self-managed node groups to create. Other types of node groups besides self-managed are currently not supported. | <pre>map(object({<br/>    ami_type                 = string<br/>    ami_name_filter          = string<br/>    extra_tags               = map(string)<br/>    instance_type            = string<br/>    kubelet_extra_args       = string<br/>    max_nodes                = number<br/>    min_nodes                = number<br/>    name                     = string<br/>    pre_bootstrap_user_data  = string<br/>    post_bootstrap_user_data = string<br/>    cloudinit_post_nodeadm = optional(list(object({<br/>      content      = string<br/>      content_type = optional(string)<br/>      filename     = optional(string)<br/>      merge_type   = optional(string)<br/>    })))<br/>    root_volume_id               = string<br/>    root_volume_size             = number<br/>    root_volume_type             = string<br/>    subnet_ids                   = list(string)<br/>    iam_role_additional_policies = map(string)<br/>    iam_role_use_name_prefix     = optional(bool, true)<br/>    key_name                     = optional(string)<br/>  }))</pre> | n/a | yes |
 | <a name="input_tags"></a> [tags](#input\_tags) | The set of tags to place on the EKS cluster. | `map(string)` | n/a | yes |
 | <a name="input_velero_bucket_name"></a> [velero\_bucket\_name](#input\_velero\_bucket\_name) | The name of the S3 bucket that will be used to upload Velero backups. | `string` | `""` | no |
 | <a name="input_velero_oidc_fully_qualified_subjects"></a> [velero\_oidc\_fully\_qualified\_subjects](#input\_velero\_oidc\_fully\_qualified\_subjects) | The list of trusted resources which can assume the 'velero' role using OpenID Connect. | `list(string)` | `[]` | no |
diff --git a/eks.tf b/eks.tf
index ce220ab..33d7645 100644
--- a/eks.tf
+++ b/eks.tf
@@ -129,6 +129,7 @@ module "main" {
       instance_type                = g.instance_type            // The instance type to use for worker nodes.
       pre_bootstrap_user_data      = g.pre_bootstrap_user_data  // The pre-bootstrap user data to use for worker nodes.
       post_bootstrap_user_data     = g.post_bootstrap_user_data // The pre-bootstrap user data to use for worker nodes.
+      cloudinit_post_nodeadm       = g.cloudinit_post_nodeadm != null ? g.cloudinit_post_nodeadm : []
       iam_role_additional_policies = g.iam_role_additional_policies
       iam_role_use_name_prefix     = g.iam_role_use_name_prefix
       subnet_ids                   = length(g.subnet_ids) > 0 ? g.subnet_ids : data.aws_subnets.private.ids // Only place nodes in private subnets. This may change in the future.
diff --git a/variables.tf b/variables.tf
index 9aa72de..9a09fa4 100644
--- a/variables.tf
+++ b/variables.tf
@@ -136,16 +136,22 @@ variable "region" {
 variable "self_managed_node_groups" {
   description = "A map describing the set of self-managed node groups to create. Other types of node groups besides self-managed are currently not supported."
   type = map(object({
-    ami_type                     = string
-    ami_name_filter              = string
-    extra_tags                   = map(string)
-    instance_type                = string
-    kubelet_extra_args           = string
-    max_nodes                    = number
-    min_nodes                    = number
-    name                         = string
-    pre_bootstrap_user_data      = string
-    post_bootstrap_user_data     = string
+    ami_type                 = string
+    ami_name_filter          = string
+    extra_tags               = map(string)
+    instance_type            = string
+    kubelet_extra_args       = string
+    max_nodes                = number
+    min_nodes                = number
+    name                     = string
+    pre_bootstrap_user_data  = string
+    post_bootstrap_user_data = string
+    cloudinit_post_nodeadm = optional(list(object({
+      content      = string
+      content_type = optional(string)
+      filename     = optional(string)
+      merge_type   = optional(string)
+    })))
     root_volume_id               = string
     root_volume_size             = number
     root_volume_type             = string