Add to letsencrypt-acme-challenge.conf to allow for ACME challenges on proxy hosts using auth_requests

docker/rootfs/etc/nginx/conf.d/include/letsencrypt-acme-challenge.conf

@@ -5,6 +5,7 @@ location ^~ /.well-known/acme-challenge/ {
 	# Since this is for letsencrypt authentication of a domain and they do not give IP ranges of their infrastructure
 	# we need to open up access by turning off auth and IP ACL for this location.
 	auth_basic off;
+	auth_request off;
 	allow all;
 
 	# Set correct content type. According to this: