Support setting CELERYD_CONCURRENCY to control number of spawned… (#35)

Support setting CELERYD_CONCURRENCY to control number of spawned worker processes

Dockerfile

@@ -96,7 +96,8 @@ ENV FUNKWHALE_HOSTNAME=yourdomain.funkwhale \
 	NGINX_MAX_BODY_SIZE=100M \
 	STATIC_ROOT=/app/api/staticfiles \
 	FUNKWHALE_SPA_HTML_ROOT=/app/front/dist/index.html \
-	FUNKWHALE_WEB_WORKERS=1
+	FUNKWHALE_WEB_WORKERS=1 \
+	CELERYD_CONCURRENCY=0
 #
 # Entrypoint
 #

root/etc/services.d/celery-worker/run

 #!/usr/bin/with-contenv sh
 cd /app/api
-exec s6-setuidgid funkwhale celery -f /var/log/funkwhale/celery-worker.log -A funkwhale_api.taskapp worker
+exec s6-setuidgid funkwhale celery -f /var/log/funkwhale/celery-worker.log -A funkwhale_api.taskapp worker --concurrency=$CELERYD_CONCURRENCY