diff --git a/training/practica-3-roles/inventory b/training/practica-3-roles/inventory
new file mode 100644
index 0000000..b876044
--- /dev/null
+++ b/training/practica-3-roles/inventory
@@ -0,0 +1,8 @@
+[database]
+192.168.11.20
+
+[loadbalancer]
+192.168.11.30
+
+[webserver]
+192.168.11.40
diff --git a/training/practica-3-roles/main.yml b/training/practica-3-roles/main.yml
new file mode 100644
index 0000000..8eb5023
--- /dev/null
+++ b/training/practica-3-roles/main.yml
@@ -0,0 +1,7 @@
+- hosts: all
+  become: yes
+  roles:
+    - role: nginx
+    - role: apache2
+    - role: php
+    - role: mariadb
\ No newline at end of file
diff --git a/training/practica-3-roles/nginx/tasks/main.yml b/training/practica-3-roles/nginx/tasks/main.yml
index 3474441..1ee6e2d 100644
--- a/training/practica-3-roles/nginx/tasks/main.yml
+++ b/training/practica-3-roles/nginx/tasks/main.yml
@@ -1,3 +1,13 @@
 #SPDX-License-Identifier: MIT-0
 ---
 # tasks file for nginx
+#Vamos a parar Nginx si está corriendo
+- name: Comprueba el estado de Nginx
+  ansible.builtin.service_facts: #Recopila información sobre los servicios
+- name: Detener Nginx si está activo
+  ansible.builtin.service:
+    name: nginx
+    state: stopped
+  when: ansible_facts.services['nginx.service'].state == 'running'
+  #Condición para versiones antinguas para detener Nginx solo si está corriendo
+  #when: ansible_facts.services['nginx'].state == 'running'