Tentative optimisation for index slow down

app/controllers/blueprints_controller.rb

@@ -20,7 +20,7 @@ def show
 
   def index
     set_filters
-    general_scope = policy_scope(Blueprint)
+    general_scope = policy_scope(Blueprint.light_query_scope)
       .joins(:collection)
       .where(collection: { type: "Public" })
 

app/controllers/concerns/blueprints_filters.rb

@@ -50,7 +50,7 @@ def filter(blueprints)
       if @filters[:color].present? && @filters[:color_similarity].present?
         # TODO: Create real scopes and not this horrible thing
         @filters[:filtered_for] = :mechas
-        blueprint_ids = colors_by_hsl(@filters[:color], @filters[:color_similarity]).pluck("blueprint_mecha_colors.blueprint_id")
+        blueprint_ids = colors_by_hsl(@filters[:color], @filters[:color_similarity]).joins(:blueprint_mecha_colors).select("blueprint_mecha_colors.blueprint_id")
         blueprints = blueprints.where(id: blueprint_ids)
       end
 

app/models/blueprint.rb

@@ -21,6 +21,7 @@ class Blueprint < ApplicationRecord
 
   # Hides other mods as long as we don't have a need for them
   default_scope { includes(:mod, :tags, :tag_taggings, :user).where(mod: { name: "Dyson Sphere Program" }) }
+  light_query_scope { select(column_names - ['encoded_blueprint']) }
 
   pg_search_scope :search_by_title,
                   against: [:title],

config/scout_apm.yml

@@ -0,0 +1,2 @@
+production:
+  auto_instruments: true