diff --git a/inventories/00-common.yml b/inventories/00-common.yml
index 8e60fd2..225d477 100644
--- a/inventories/00-common.yml
+++ b/inventories/00-common.yml
@@ -6,4 +6,6 @@ all:
       # Place role mapping here
       children:
         role_web:
+          vars:
+            app_domain: "domain.{{ top_domain }}"
         role_db:
diff --git a/inventories/lab/hosts.yml b/inventories/lab/hosts.yml
new file mode 100644
index 0000000..5cade80
--- /dev/null
+++ b/inventories/lab/hosts.yml
@@ -0,0 +1,21 @@
+---
+env_lab:
+  hosts:
+    rocky-1:
+      ansible_host: 192.168.122.222
+    rocky-2:
+      ansible_host: 192.168.122.96
+  vars:
+    ansible_user: cloud-user
+    environment_name: lab
+
+# Inject roles
+roles:
+  children:
+    role_web:
+      hosts:
+        rocky-1:
+    role_db:
+      hosts:
+        rocky-2:
+
diff --git a/inventories/rob/toto.yml b/inventories/rob/toto.yml
new file mode 100644
index 0000000..85bcc06
--- /dev/null
+++ b/inventories/rob/toto.yml
@@ -0,0 +1,30 @@
+---
+env_rob:
+  hosts:
+    rocky-1:
+      ansible_host: 192.168.122.87
+    rocky-2:
+      ansible_host: 1.2.3.4
+    rocky-3:
+      ansible_host: 192.168.122.229
+  vars:
+    ansible_user: cloud-user
+    environment_name: rob
+
+# Inject roles
+roles:
+  children:
+    role_web:
+      vars:
+        app_domain: titi.activia.cim
+      hosts:
+        rocky-1:
+    role_db:
+      hosts:
+        rocky-1:
+    role_admin:
+      vars:
+        app_domain: admin.activia.cim
+      hosts:
+        rocky-1:
+