Specify custom ulimit on nofiles to prevent infinite loop by billiard

Closes: #1488

See: celery/billiard#417

Author: yarikoptic

dandi/tests/data/dandiarchive-docker/docker-compose.yml

@@ -1,3 +1,4 @@
+version: '3.7'
 # Based on
 # <https://github.com/dandi/dandiarchive/blob/master/docker/docker-compose.yml>,
 # <https://github.com/dandi/dandi-api/blob/master/docker-compose.yml>, and
@@ -67,7 +68,11 @@ services:
     environment:
       << : *django_env
       DJANGO_DANDI_VALIDATION_JOB_INTERVAL: "5"
-
+    ulimits:
+      # https://github.com/celery/billiard/pull/417
+      nofile:
+        soft: 1000
+        hard: 3000
   minio:
     image: minio/minio:RELEASE.2022-04-12T06-55-35Z
     # When run with a TTY, minio prints credentials on startup