* Add keepalive support for auth requests
* Fix typo
* Address PR comments
* Log warning when auth-url contains variable in its host:port
* Generate upstream name without replacing dots to underscores in server name
* Add comment in the nginx template when the keepalive upstream block is referenced
* Workaround for auth_request module ignores keepalive in upstream block
* The `auth_request` module does not support HTTP keepalives in upstream block:
https://trac.nginx.org/nginx/ticket/1579
* As a workaround we use ngx.location.capture but unfortunately it does not
support HTTP/2 so `use-http2` configuration parameter is needed.
* Handle PR comments
* Address PR comments
* Handle invalid values for int parameters
* Handle PR comments
* Fix e2e test
83ce21b4dd