diff --git a/apps/overlays/uat/authentik-terraform.yaml b/apps/overlays/uat/authentik-terraform.yaml
new file mode 100644
index 0000000..ffe3fb1
--- /dev/null
+++ b/apps/overlays/uat/authentik-terraform.yaml
@@ -0,0 +1,53 @@
+# =============================================================================
+# Terraform CRD for Flux ToFu Controller — Authentik groombook-uat
+# =============================================================================
+# This CRD tells the Flux ToFu Controller to reconcile the Terraform
+# workspace at apps/overlays/uat/terraform/
+#
+# The ToFu Controller will:
+# 1. Clone the groombook/app GitRepository
+# 2. Run tofu init + tofu plan/apply in the specified path
+# 3. Store Terraform state in a Kubernetes secret (backend.tf)
+# 4. Inject TF_VAR_authentik_token from the authentik-credentials secret
+#    via tf-controller varsFrom (maps secret key to Terraform variable)
+#
+# ApiVersion: infra.contrib.fluxcd.io/v1alpha2 (tf-controller)
+# =============================================================================
+
+apiVersion: infra.contrib.fluxcd.io/v1alpha2
+kind: Terraform
+metadata:
+  name: authentik-uat
+  namespace: groombook-uat
+  labels:
+    app.kubernetes.io/name: authentik
+    app.kubernetes.io/part-of: groombook
+    app.kubernetes.io/env: uat
+spec:
+  # Reconcile every hour
+  interval: 1h
+
+  # Path within the GitRepository (groombook/app)
+  path: ./apps/overlays/uat/terraform
+
+  # Source reference — must match the GitRepository name watching this repo
+  sourceRef:
+    kind: GitRepository
+    name: groombook
+
+  # Auto-approve plans (no manual intervention needed for infrastructure)
+  approvePlan: "auto"
+
+  # Clean up Terraform resources when this CRD is deleted
+  destroyResourcesOnDeletion: true
+
+  # Inject TF_VAR_authentik_token from the sealed secret via tf-controller varsFrom
+  # (maps secret key "authentik_token" to Terraform var.authentik_token)
+  varsFrom:
+    - kind: Secret
+      name: authentik-credentials
+    - kind: Secret
+      name: authentik-uat-users-credentials
+
+  runnerPodTemplate:
+    spec: {}
diff --git a/apps/overlays/uat/gitrepository-groombook.yaml b/apps/overlays/uat/gitrepository-groombook.yaml
new file mode 100644
index 0000000..99ad157
--- /dev/null
+++ b/apps/overlays/uat/gitrepository-groombook.yaml
@@ -0,0 +1,19 @@
+---
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: GitRepository
+metadata:
+  name: groombook
+  namespace: groombook-uat
+  labels:
+    app.kubernetes.io/name: groombook
+    app.kubernetes.io/part-of: groombook
+    app.kubernetes.io/env: uat
+spec:
+  interval: 15m
+  provider: github
+  ref:
+    branch: fix/gro-844-network-policy
+  secretRef:
+    name: cpfarhood-k8s
+  timeout: 60s
+  url: https://github.com/groombook/app
diff --git a/apps/overlays/uat/kustomization.yaml b/apps/overlays/uat/kustomization.yaml
new file mode 100644
index 0000000..f564ce2
--- /dev/null
+++ b/apps/overlays/uat/kustomization.yaml
@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: groombook-uat
+resources:
+  - gitrepository-groombook.yaml
+  - authentik-terraform.yaml
diff --git a/apps/overlays/uat/terraform/backend.tf b/apps/overlays/uat/terraform/backend.tf
new file mode 100644
index 0000000..08f6c9b
--- /dev/null
+++ b/apps/overlays/uat/terraform/backend.tf
@@ -0,0 +1,21 @@
+# =============================================================================
+# Backend configuration for Terraform state
+# =============================================================================
+# Uses Kubernetes backend with tf-controller managed state secret.
+# tf-controller creates a Kubernetes Secret named:
+#   tfstate-<name>-<secret_suffix>
+# i.e. tfstate-authentik-uat-authentik-uat-tf-state
+# in the namespace specified by the Terraform CRD metadata.namespace (groombook-uat).
+#
+# Valid Kubernetes backend attributes for tf-controller:
+#   secret_suffix, namespace, config_path, cluster_ca_cert, client_certificate,
+#   client_key, token, exec, host, insecure, username, password,
+#   in_cluster, load_config, config_paths
+# =============================================================================
+
+terraform {
+  backend "kubernetes" {
+    secret_suffix = "authentik-uat-tf-state"
+    namespace     = "groombook-uat"
+  }
+}
diff --git a/apps/overlays/uat/terraform/imports.tf b/apps/overlays/uat/terraform/imports.tf
new file mode 100644
index 0000000..1356ec2
--- /dev/null
+++ b/apps/overlays/uat/terraform/imports.tf
@@ -0,0 +1,12 @@
+# Import existing Authentik resources into Terraform state.
+# These blocks are consumed on the first apply and become no-ops thereafter.
+
+import {
+  to = authentik_oauth2_provider.groombook-uat
+  id = "284"
+}
+
+import {
+  to = authentik_application.groombook-uat
+  id = "e77a9c45-bed6-4a23-bc62-178f166f099e"
+}
diff --git a/apps/overlays/uat/terraform/main.tf b/apps/overlays/uat/terraform/main.tf
new file mode 100644
index 0000000..4c10104
--- /dev/null
+++ b/apps/overlays/uat/terraform/main.tf
@@ -0,0 +1,99 @@
+# =============================================================================
+# Terraform configuration for Authentik groombook-uat application
+# =============================================================================
+# This Terraform workspace manages the Authentik OAuth2 application and provider
+# for the groombook-uat environment.
+#
+# The authentik_token used for authentication is sourced from the
+# `authentik-credentials` SealedSecret (injected as TF_VAR_authentik_token
+# by the Terraform CRD runnerPodTemplate.spec.varsFrom).
+#
+# To import existing resources (run via tf-controller exec or locally with
+# AUTHENTIK_TOKEN set):
+#   tofu import authentik_oauth2_provider.groombook-uat pk-284
+#   tofu import authentik_application.groombook-uat e77a9c45-bed6-4a23-bc62-178f166f099e
+# =============================================================================
+
+# -----------------------------------------------------------------------------
+# Provider configuration
+# -----------------------------------------------------------------------------
+terraform {
+  required_providers {
+    authentik = {
+      source  = "goauthentik/authentik"
+      version = "~> 2024.12"
+    }
+  }
+}
+
+provider "authentik" {
+  url       = var.authentik_url
+  api_token = var.authentik_token
+  tls_verify = true
+}
+
+# -----------------------------------------------------------------------------
+# OAuth2 Provider for groombook-uat
+# pk = 284 (existing — imported, not recreated)
+# -----------------------------------------------------------------------------
+resource "authentik_oauth2_provider" "groombook-uat" {
+  name        = "groombook-uat-provider"
+  slug        = "groombook-uat"
+  client_id   = "" # managed by imported resource; tracked via ignore_changes
+  client_secret = "" # managed by imported resource; tracked via ignore_changes
+  client_type = "confidential"
+  redirect_uris = ["https://uat.groombook.dev/api/auth/oauth2/callback/authentik"]
+  signing_key = "authentik signing key"
+
+  # Keep Terraform from overwriting the client_id, client_secret, and signing_key
+  # which are managed by the imported existing resource
+  lifecycle {
+    ignore_changes = [
+      client_id,
+      client_secret,
+      signing_key,
+    ]
+  }
+}
+
+# -----------------------------------------------------------------------------
+# Application for groombook-uat
+# pk = e77a9c45-bed6-4a23-bc62-178f166f099e (existing — imported, not recreated)
+# -----------------------------------------------------------------------------
+resource "authentik_application" "groombook-uat" {
+  name        = "groombook-uat"
+  slug        = "groombook-uat"
+  group       = "groombook"
+  policy_ids  = []
+  description = "GroomBook UAT application"
+
+  # Link to the OAuth2 provider
+  oauth2_provider = authentik_oauth2_provider.groombook-uat.id
+
+  # Track name, slug, group, and oauth2_provider for drift detection;
+  # ignore policy_ids and description which may be updated out-of-band
+  lifecycle {
+    ignore_changes = [
+      policy_ids,
+      description,
+    ]
+  }
+}
+
+# -----------------------------------------------------------------------------
+# Outputs (for reference / verification)
+# -----------------------------------------------------------------------------
+output "oauth2_provider_pk" {
+  description = "Authentik OAuth2 Provider primary key"
+  value       = authentik_oauth2_provider.groombook-uat.pk
+}
+
+output "application_pk" {
+  description = "Authentik Application primary key"
+  value       = authentik_application.groombook-uat.pk
+}
+
+output "application_slug" {
+  description = "Authentik Application slug"
+  value       = authentik_application.groombook-uat.slug
+}
diff --git a/apps/overlays/uat/terraform/terraform.tfvars b/apps/overlays/uat/terraform/terraform.tfvars
new file mode 100644
index 0000000..1cf4747
--- /dev/null
+++ b/apps/overlays/uat/terraform/terraform.tfvars
@@ -0,0 +1,10 @@
+# =============================================================================
+# Terraform variable values for groombook-uat
+# =============================================================================
+# NOTE: authentik_token should be provided via AUTHENTIK_TOKEN env var,
+# sourced from the authentik-credentials SealedSecret.
+# The placeholder value here is not used when running via tf-controller.
+# =============================================================================
+
+authentik_url = "https://auth.farh.net"
+# authentik_token = "<set via AUTHENTIK_TOKEN env var from authentik-credentials secret>"
diff --git a/apps/overlays/uat/terraform/users.tf b/apps/overlays/uat/terraform/users.tf
new file mode 100644
index 0000000..c5adced
--- /dev/null
+++ b/apps/overlays/uat/terraform/users.tf
@@ -0,0 +1,121 @@
+# =============================================================================
+# Authentik UAT user personas — Terraform resources
+# =============================================================================
+# Creates three Authentik users bound to the groombook-uat application:
+#   - UAT Super User   (manager role, superuser)
+#   - UAT Groomer      (staff/groomer role)
+#   - UAT Customer     (no staff record — auth identity only)
+#
+# Passwords are sourced from sensitive Terraform variables which are injected
+# via tf-controller varsFrom from the authentik-uat-users-credentials SealedSecret.
+#
+# User PKs are exported as outputs — these are the OIDC sub claims in Authentik.
+# =============================================================================
+
+# -----------------------------------------------------------------------------
+# Group: groombook-uat-users
+# -----------------------------------------------------------------------------
+resource "authentik_group" "groombook-uat-users" {
+  name = "groombook-uat-users"
+}
+
+# -----------------------------------------------------------------------------
+# User: UAT Super User
+# -----------------------------------------------------------------------------
+resource "authentik_user" "uat-super" {
+  name            = "UAT Super User"
+  username        = "uat-super"
+  email           = "uat-super@groombook.dev"
+  password        = var.uat_super_password
+  active          = true
+  # Attributes stored as JSON string per authentik_user schema
+  attributes_json = jsonencode({
+    role = "manager"
+  })
+}
+
+# Add uat-super to the group
+resource "authentik_group_membership" "uat-super" {
+  group = authentik_group.groombook-uat-users.id
+  user  = authentik_user.uat-super.pk
+}
+
+# Bind the group to the groombook-uat application via policy binding
+# This grants group members authentication access to the application
+resource "authentik_policy_binding" "uat-super-group-binding" {
+  policy     = authentik_group.groombook-uat-users.id
+  target     = authentik_application.groombook-uat.pk
+  binding_type = "group_whitelist"
+}
+
+# -----------------------------------------------------------------------------
+# User: UAT Groomer (Staff)
+# -----------------------------------------------------------------------------
+resource "authentik_user" "uat-groomer" {
+  name            = "UAT Groomer"
+  username        = "uat-groomer"
+  email           = "uat-groomer@groombook.dev"
+  password        = var.uat_groomer_password
+  active          = true
+  attributes_json = jsonencode({
+    role = "groomer"
+  })
+}
+
+# Add uat-groomer to the group
+resource "authentik_group_membership" "uat-groomer" {
+  group = authentik_group.groombook-uat-users.id
+  user  = authentik_user.uat-groomer.pk
+}
+
+# Bind the group to the groombook-uat application
+resource "authentik_policy_binding" "uat-groomer-group-binding" {
+  policy     = authentik_group.groombook-uat-users.id
+  target     = authentik_application.groombook-uat.pk
+  binding_type = "group_whitelist"
+}
+
+# -----------------------------------------------------------------------------
+# User: UAT Customer
+# -----------------------------------------------------------------------------
+resource "authentik_user" "uat-customer" {
+  name            = "UAT Customer"
+  username        = "uat-customer"
+  email           = "uat-customer@groombook.dev"
+  password        = var.uat_customer_password
+  active          = true
+  attributes_json = jsonencode({
+    role = "customer"
+  })
+}
+
+# Add uat-customer to the group
+resource "authentik_group_membership" "uat-customer" {
+  group = authentik_group.groombook-uat-users.id
+  user  = authentik_user.uat-customer.pk
+}
+
+# Bind the group to the groombook-uat application
+resource "authentik_policy_binding" "uat-customer-group-binding" {
+  policy     = authentik_group.groombook-uat-users.id
+  target     = authentik_application.groombook-uat.pk
+  binding_type = "group_whitelist"
+}
+
+# -----------------------------------------------------------------------------
+# Outputs — OIDC sub claims (= user PK in Authentik)
+# -----------------------------------------------------------------------------
+output "uat_super_user_pk" {
+  description = "UAT Super User primary key (OIDC sub)"
+  value       = authentik_user.uat-super.pk
+}
+
+output "uat_groomer_user_pk" {
+  description = "UAT Groomer primary key (OIDC sub)"
+  value       = authentik_user.uat-groomer.pk
+}
+
+output "uat_customer_user_pk" {
+  description = "UAT Customer primary key (OIDC sub)"
+  value       = authentik_user.uat-customer.pk
+}
diff --git a/apps/overlays/uat/terraform/variables.tf b/apps/overlays/uat/terraform/variables.tf
new file mode 100644
index 0000000..bfb69e8
--- /dev/null
+++ b/apps/overlays/uat/terraform/variables.tf
@@ -0,0 +1,33 @@
+# =============================================================================
+# Variables for Authentik groombook-uat Terraform workspace
+# =============================================================================
+
+variable "authentik_url" {
+  description = "Base URL of the Authentik instance"
+  type        = string
+  default     = "https://auth.farh.net"
+}
+
+variable "authentik_token" {
+  description = "API token for Authentik (from authentik-credentials secret via AUTHENTIK_TOKEN env var)"
+  type        = string
+  sensitive   = true
+}
+
+variable "uat_super_password" {
+  description = "Password for the UAT Super User account"
+  type        = string
+  sensitive   = true
+}
+
+variable "uat_groomer_password" {
+  description = "Password for the UAT Groomer staff account"
+  type        = string
+  sensitive   = true
+}
+
+variable "uat_customer_password" {
+  description = "Password for the UAT Customer account"
+  type        = string
+  sensitive   = true
+}