Merge branch 'fix/cache-control-headers' into 'develop'

Fix Cache Control headers on media

See merge request pleroma/pleroma!2295

lib/pleroma/plugs/uploaded_media.ex

@@ -14,9 +14,14 @@ defmodule Pleroma.Plugs.UploadedMedia do
   # no slashes
   @path "media"
 
+  @default_cache_control_header "public, max-age=1209600"
+
   def init(_opts) do
     static_plug_opts =
-      []
+      [
+        headers: %{"cache-control" => @default_cache_control_header},
+        cache_control_for_etags: @default_cache_control_header
+      ]
       |> Keyword.put(:from, "__unconfigured_media_plug")
       |> Keyword.put(:at, "/__unconfigured_media_plug")
       |> Plug.Static.init()