Force /videos/:id to not be cached

Author: bqqbarbhg

app/controllers/videos_controller.rb

@@ -36,6 +36,10 @@ def show
       @video.read_manifest
     end
 
+    response.headers["Cache-Control"] = "no-cache, no-store, max-age=0, must-revalidate"
+    response.headers["Pragma"] = "no-cache"
+    response.headers["Expires"] = "Fri, 01 Jan 1990 00:00:00 GMT"
+
     respond_to do |format|
       format.html { render }
       format.json { render json: @manifest }