For the sake of completeness I commit this play.

Cache lookup api

See merge request !18

# Conflicts:
#   roles/nginx-reverseproxy/templates/nginx/sites-available/reverseproxy.j2
#   roles/nginx-reverseproxy/templates/nginx/snippets/options-proxypass.conf.j2
#   roles/nginx-reverseproxy/templates/nginx/snippets/options-ssl.conf.j2