parameterize directories

roles/mastodon/tasks/main.yml

@@ -1,22 +1,22 @@
 - name: Create Mastodon app directory
   file:
-    path: /srv/mastodon
+    path: "{{ service_dir }}"
     state: directory
 - name: Copy .env.production
   copy:
     src: "{{ role_path }}/files/.env.production"
-    dest: /srv/mastodon/.env.production
+    dest: "{{ service_dir }}.env.production"
 - name: Copy Docker Compose script
   template:
     src: "{{ role_path }}/templates/docker-compose.yml.j2"
-    dest: /srv/mastodon/docker-compose.yml
+    dest: "{{ service_dir }}/docker-compose.yml"
 - name: Create Mastodon data directory
   file:
-    path: /data/mastodon
+    path: "{{ data_dir }}"
     state: directory
     mode: 0777
 - name: Start Docker Compose
   docker_compose:
-    project_src: /srv/mastodon
+    project_src: "{{ service_dir }}"
     pull: true
     remove_orphans: true