parameterize directories

roles/kms/tasks/main.yml

@@ -1,14 +1,14 @@
 - name: Create app directory
   file:
-    path: /srv/kms
+    path: "{{ service_dir }}"
     state: directory
 - name: Copy Docker Compose script
   copy:
     src: "{{ role_path }}/files/docker-compose.yml"
-    dest: /srv/kms/docker-compose.yml
+    dest: "{{ service_dir }}/docker-compose.yml"
 - name: Start the Docker Compose
   docker_compose:
-    project_src: /srv/kms
+    project_src: "{{ service_dir }}"
     pull: true
     remove_orphans: true
 

roles/kms/vars/main.yml

@@ -0,0 +1,2 @@
+service_name: kms
+service_dir: "{{ base_service_dir }}/{{ service_name }}"