diff --git a/data/hostname/worker11.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/worker11.euwest.azure.internal.softwareheritage.org.yaml
new file mode 100644
index 00000000..8eabb7fe
--- /dev/null
+++ b/data/hostname/worker11.euwest.azure.internal.softwareheritage.org.yaml
@@ -0,0 +1,3 @@
+---
+worker_instances:
+  - swh_vault_cooker
diff --git a/data/hostname/worker12.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/worker12.euwest.azure.internal.softwareheritage.org.yaml
new file mode 100644
index 00000000..8eabb7fe
--- /dev/null
+++ b/data/hostname/worker12.euwest.azure.internal.softwareheritage.org.yaml
@@ -0,0 +1,3 @@
+---
+worker_instances:
+  - swh_vault_cooker