Resolve "When using docker-compose deployment, the celerybeat container may...

Resolve "When using docker-compose deployment, the celerybeat container may stumble over a stale pid file"

changes/changelog.d/1004.bugfix

+Fixed an issue with celerybeat container failing to restart (#1004)
\ No newline at end of file

deploy/docker-compose.yml

@@ -52,7 +52,7 @@ services:
       - postgres
       - redis
     env_file: .env
-    command: celery -A funkwhale_api.taskapp beat -l INFO
+    command: celery -A funkwhale_api.taskapp beat --pidfile= -l INFO
 
   api:
     restart: unless-stopped