set no cache headers

app/controllers/bulk_upload_lettings_resume_controller.rb

@@ -1,5 +1,10 @@
 class BulkUploadLettingsResumeController < ApplicationController
   before_action :authenticate_user!
+  before_action :set_no_cache_headers
+
+  def set_no_cache_headers
+    response.set_header("Cache-Control", "no-store")
+  end
 
   def start
     @bulk_upload = current_user.bulk_uploads.find(params[:id])

spec/requests/bulk_upload_lettings_resume_controller_spec.rb

@@ -30,6 +30,12 @@ RSpec.describe BulkUploadLettingsResumeController, type: :request do
       expect(response.body).not_to include("Cancel")
     end
 
+    it "sets no cache headers" do
+      get "/lettings-logs/bulk-upload-resume/#{bulk_upload.id}/fix-choice"
+
+      expect(response.headers["Cache-Control"]).to eql("no-store")
+    end
+
     context "and previosuly told us to fix inline" do
       let(:bulk_upload) { create(:bulk_upload, :lettings, user:, bulk_upload_errors:, choice: "create-fix-inline") }
 
@@ -93,6 +99,12 @@ RSpec.describe BulkUploadLettingsResumeController, type: :request do
       expect(response.body).to include("Are you sure")
     end
 
+    it "sets no cache headers" do
+      get "/lettings-logs/bulk-upload-resume/#{bulk_upload.id}/confirm"
+
+      expect(response.headers["Cache-Control"]).to eql("no-store")
+    end
+
     context "and previosuly told us to fix inline" do
       let(:bulk_upload) { create(:bulk_upload, :lettings, user:, bulk_upload_errors:, choice: "create-fix-inline") }