Temporarily run celerybeat as root both locally and in production

{{cookiecutter.project_slug}}/local.yml

@@ -51,7 +51,7 @@ services:
       - mailhog
       {%- endif %}
     ports: []
-    user: root  # TODO: a workaround allowing the container to write to the mounted directory -- fix
+    user: root  # TODO: a temporary workaround -- do it right instead
     command: /celerybeat
 
   flower:

{{cookiecutter.project_slug}}/production.yml

@@ -45,6 +45,7 @@ services:
         environment: production
         cmd: /celerybeat
     image: {{ cookiecutter.project_slug }}_production_celerybeat
+    user: root  # TODO: a temporary workaround -- do it right instead
     command: /celerybeat
 
   flower: