Say, if you leave the web page unattended for awhile and it logs off by timeout, you won't notice anything, except that UI stops working for no apparent reason

I have an application which uses a long domain name. At ssl-proxy startup, I get the following error message

https_offloader_1  | 2019/11/07 10:28:53 [emerg] 13#13: could not build server_names_hash, you should increase server_names_hash_bucket_size: 64
https_offloader_1  | nginx: [emerg] could not build server_names_hash, you should increase server_names_hash_bucket_size: 64

And