Memoize SNS client

CHANGELOG.md

@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+
+## [1.9.8]
+
+- Improve performance by reusing SNS client
+
 ## [1.9.7]
 
 - Fix undefined method 'set_data' for nil span in Sentry integration

lib/eventboss/sns_client.rb

@@ -39,25 +39,22 @@ def set_raw_message_delivery(subscription)
     end
 
     def backend
-      if configured?
-        options = {
-          region: configuration.eventboss_region,
-        }
+      @backend ||=
+        if configured?
+          options = {
+            region: configuration.eventboss_region
+          }
 
-        unless configuration.eventboss_use_default_credentials
-          options[:credentials] = credentials
-        end
+          options[:credentials] = credentials unless configuration.eventboss_use_default_credentials
 
-        if configuration.aws_sns_endpoint
-          options[:endpoint] = configuration.aws_sns_endpoint
-        end
+          options[:endpoint] = configuration.aws_sns_endpoint if configuration.aws_sns_endpoint
 
-        Aws::SNS::Client.new(options)
-      elsif configuration.raise_on_missing_configuration
-        raise NotConfigured, 'Eventboss is not configured.'
-      else
-        Mock.new
-      end
+          Aws::SNS::Client.new(options)
+        elsif configuration.raise_on_missing_configuration
+          raise NotConfigured, 'Eventboss is not configured.'
+        else
+          Mock.new
+        end
     end
 
     def credentials

lib/eventboss/version.rb

@@ -1,3 +1,3 @@
 module Eventboss
-  VERSION = "1.9.7"
+  VERSION = "1.9.8"
 end