~w(if-unmodified-since if-none-match) ++ @range_headers
@resp_cache_headers ~w(etag date last-modified)
@keep_resp_headers @resp_cache_headers ++
- ~w(content-length content-type content-disposition content-encoding content-range) ++
- ~w(accept-ranges vary)
+ ~w(content-length content-type content-disposition content-encoding) ++
+ ~w(content-range accept-ranges vary)
@default_cache_control_header "public, max-age=1209600"
@valid_resp_codes [200, 206, 304]
@max_read_duration :timer.seconds(30)