[fix] Suppression du composer.lock

roles/adm_instance/tasks/postinstall.yml

@@ -7,6 +7,13 @@
     tags:
       - postinstall
 
+  - name: "remove composer.lock directory"          
+    file:                                                    
+      path: "{{ app_instance_root }}/composer.lock"          
+      state: absent                                          
+    tags:     
+      - postinstall
+
   - name: "installs php requirements using composer"
     become_user: "{{ run_user }}"
     command: "/usr/bin/php{{ php_version }} /usr/local/bin/composer -n update"