apt-cacher-formula/apt-cacher/ng/files/default/client.conf

########################################################################
# File managed by Salt at <{{ source }}>.
# Your changes will be overwritten.
########################################################################

Acquire::http::Proxy "http://{{ apt_cacher_ng.server_address }}:{{ apt_cacher_ng.server_port }}";
Acquire::https::Proxy "{{ apt_cacher_ng.https_proxy }}";
{% for host in apt_cacher_ng.local_mirrors -%}
Acquire::http::Proxy::{{ host }} "DIRECT";
{% endfor -%}