ansible-roles/roles/nginx/templates/ansible_conf.d/10-perf.conf.j2

map $is_client_cacheable $custom_expires {
  default    epoch;
  1          7d;
}
map $is_client_cacheable $custom_cache_control {
  default    "no-cache, no-store, private";
  1          "public, max-age=604800, must-revalidate, proxy-revalidate";
}