adjust bind address

config/dotenv.rb

@@ -105,6 +105,6 @@ if ENV['REDIS_URL'].to_s.empty?
 
   redis_password = Digest::SHA1.hexdigest("redis#{ENV.fetch('SECRET_KEY_BASE', '')}")
 
-  ENV['REDIS_URL'] = "redis://default:#{redis_password}@0.0.0.0:6379/0"
+  ENV['REDIS_URL'] = "redis://default:#{redis_password}@127.0.0.1:16379/0"
   ENV['LOCAL_REDIS_URL'] = ENV.fetch('REDIS_URL', nil)
 end

lib/puma/plugin/redis_server.rb

@@ -54,6 +54,7 @@ Puma::Plugin.create do
       Dir.chdir(ENV.fetch('WORKDIR', nil)) unless ENV['WORKDIR'].to_s.empty?
 
       exec('redis-server', '--requirepass', Digest::SHA1.hexdigest("redis#{ENV.fetch('SECRET_KEY_BASE', '')}"),
+           '--bind', '127.0.0.1', '--port', '16379',
            '--loglevel', 'warning')
     end
   end