change deploy behaviour

config/deploy.rb

@@ -96,6 +96,7 @@ namespace :deploy do
           with rails_env: fetch(:rails_env) do
             execute 'bin/rake assets:precompile'
             execute 'bin/rake assets:dedigest'
+            execute 'bin/rake assets:gzip'
           end
         end
 
@@ -105,10 +106,11 @@ namespace :deploy do
           #end
         #end
         rsync_host = host
-        run_locally { execute "rsync -av --delete ./public/assets/ #{fetch(:user)}@#{rsync_host}:#{shared_path}/public/assets/" }
+        #run_locally { execute "rsync -av --delete ./public/assets/ #{fetch(:user)}@#{rsync_host}:#{shared_path}/public/assets/" }
+        run_locally { execute "rsync -av ./public/assets/ #{fetch(:user)}@#{rsync_host}:#{shared_path}/public/assets/" }
         execute :chown, "-R www-data:www-data", shared_path.join('public/assets/')
 
-        #run_locally { execute 'rm -rf public/assets' }
+        run_locally { execute 'rm -rf public/assets' }
       end
     end
 

lib/tasks/dedigest_assets.rake

@@ -1,3 +1,4 @@
+require 'pry'
 namespace :assets do
   task dedigest: :environment do
     extensions = %w[jpg png js css gif eot svg woff2 woff ttf]
@@ -7,4 +8,27 @@ namespace :assets do
      `cp '#{asset_path}' '#{dedigest_path}' 2>/dev/null`
     end
   end
+  desc "Create .gz versions of assets"
+  task gzip: :environment do
+    zip_types = /\.(?:css|html|js|otf|svg|txt|xml)$/
+
+    public_assets = File.join(Rails.root, "public", Rails.application.config.assets.prefix)
+
+    Dir.glob("#{public_assets}/**/*").each do |f|
+      next unless f =~ zip_types
+
+      mtime = File.mtime(f)
+      gz_file = "#{f}.gz"
+      next if File.exist?(gz_file) && File.mtime(gz_file) >= mtime
+
+      File.open(gz_file, "wb") do |dest|
+        gz = Zlib::GzipWriter.new(dest, Zlib::BEST_COMPRESSION)
+        gz.mtime = mtime.to_i
+        IO.copy_stream(open(f), gz)
+        gz.close
+      end
+
+      File.utime(mtime, mtime, gz_file)
+    end
+  end
 end