diff --git a/common-prod/overlay/etc/hiera/data/group.yaml b/common-prod/overlay/etc/hiera/data/group.yaml
new file mode 100644
index 0000000..dbcf360
--- /dev/null
+++ b/common-prod/overlay/etc/hiera/data/group.yaml
@@ -0,0 +1,11 @@
+---
+mariadb_clients:
+  - 89.47.184.117 # internal-sto1-prod-radius-1.geteduroam.sunet.se
+  - 89.47.184.239 # internal-sto1-prod-app-1.geteduroam.sunet.se
+  - 89.47.191.170 # internal-dco-prod-radius-2.geteduroam.sunet.se
+  - 89.47.191.96  # internal-dco-prod-app-2.geteduroam.sunet.se
+mariadb_cluster_nodes:
+  - 89.45.237.24  # internal-sto3-prod-db-3.geteduroam.sunet.se
+  - 89.47.185.115 # internal-sto1-prod-db-1.geteduroam.sunet.se
+  - 89.47.190.224 # internal-dco-prod-db-2.geteduroam.sunet.se
+