diff --git a/group_vars/all/vars.yml b/group_vars/all/vars.yml
index f0a0709..ae464f6 100644
--- a/group_vars/all/vars.yml
+++ b/group_vars/all/vars.yml
@@ -13,3 +13,10 @@ users:
     ssh_keys:
       - sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIFWZGLov8wPBNxuvnaPK+8vv6wK5hHUVEFzXKsN9QeuBAAAADHNzaDpzYW1zYXB0aQ== ssh:samsapti
       - ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPd/4fQV7CL8/KVwbo/phiV5UdXFBIDlkZ+ps8C7FeRf cardno:14 336 332
+
+  - name: ansible
+    comment: Ansible user
+    groups:
+      - sudo
+    ssh_keys:
+      - ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDyAuOqh0vcpLMBa8FFbvrTOgw8N+bcImFzyBspfQDAf ansible
diff --git a/site.yml b/site.yml
index e45ac56..09531ac 100644
--- a/site.yml
+++ b/site.yml
@@ -1,8 +1,21 @@
 # vim: ft=yaml.ansible
 # code: language=ansible
 ---
-- name: Base configuration
+- name: Base VM configuration
   hosts: virtualservers
   remote_user: root
   roles:
     - vm-common
+
+- name: App servers
+  hosts: appservers
+  remote_user: ansible
+  roles:
+    - docker
+    - apps
+
+- name: Database servers
+  hosts: dbservers
+  remote_user: ansible
+  roles:
+    - postgresql