fixed syntax

tasks/main.yml

@@ -3,20 +3,20 @@
 
 - name: Create pi-hole directory
   ansible.builtin.file:
-    path: "{{ app_dir }}"
+    path: "{{ pi_hole_app_dir }}"
     state: directory
     mode: '0755'
 
 - name: Create data directory
   ansible.builtin.file:
-    path: "{{ app_dir }}/data"
+    path: "{{ pi_hole_app_dir }}/data"
     state: directory
     mode: '0755'
 
 - name: Templating docker-compose.yml
   ansible.builtin.template:
     src: files/docker-compose.yaml.j2
-    dest: "{{ app_dir }}/docker-compose.yaml"
+    dest: "{{ pi_hole_app_dir }}/docker-compose.yaml"
     owner: root
     group: root
     mode: '0660'
@@ -25,5 +25,5 @@
 
 - name: Start docker-compose
   community.docker.docker_compose:
-    project_src: "{{ app_dir }}"
+    project_src: "{{ pi_hole_app_dir }}"
     state: present