diff --git a/src/integrationTest/kotlin/com/hivemq/extensions/aws/cloudwatch/EndToEndIT.kt b/src/integrationTest/kotlin/com/hivemq/extensions/aws/cloudwatch/EndToEndIT.kt
index ac57aa6..a1cc1fe 100644
--- a/src/integrationTest/kotlin/com/hivemq/extensions/aws/cloudwatch/EndToEndIT.kt
+++ b/src/integrationTest/kotlin/com/hivemq/extensions/aws/cloudwatch/EndToEndIT.kt
@@ -18,7 +18,6 @@ import software.amazon.awssdk.services.cloudwatch.model.Metric
 import software.amazon.awssdk.services.cloudwatch.model.MetricDataQuery
 import software.amazon.awssdk.services.cloudwatch.model.MetricStat
 import software.amazon.awssdk.services.cloudwatch.model.Statistic
-import java.net.URI
 import java.time.Duration
 import java.time.Instant
 import java.util.concurrent.TimeUnit
@@ -44,8 +43,7 @@ class EndToEndIT {
                 "hivemq-aws-cloudwatch-extension",
                 "extension-config.xml"
             )
-            withEnv("AWS_ENDPOINT_OVERRIDE", URI("http://localstack:4566").toString())
-            withEnv("AWS_REGION_OVERRIDE", localStack.region)
+            withEnv("AWS_REGION", localStack.region)
             withEnv("AWS_ACCESS_KEY_ID", localStack.accessKey)
             withEnv("AWS_SECRET_ACCESS_KEY", localStack.secretKey)
             withLogConsumer { println("HIVEMQ: " + it.utf8StringWithoutLineEnding) }
diff --git a/src/integrationTest/resources/extension-config.xml b/src/integrationTest/resources/extension-config.xml
index b5dd9d0..2f740b7 100644
--- a/src/integrationTest/resources/extension-config.xml
+++ b/src/integrationTest/resources/extension-config.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <cloudwatch-extension-configuration>
+    <aws-endpoint-override>http://localstack:4566</aws-endpoint-override>
     <report-interval>1</report-interval>
     <zero-value-submission>true</zero-value-submission>
     <report-raw-count-value>true</report-raw-count-value>
diff --git a/src/main/java/com/hivemq/extensions/aws/cloudwatch/CloudWatchReporterService.java b/src/main/java/com/hivemq/extensions/aws/cloudwatch/CloudWatchReporterService.java
index 1ba7c8a..02b0c7c 100755
--- a/src/main/java/com/hivemq/extensions/aws/cloudwatch/CloudWatchReporterService.java
+++ b/src/main/java/com/hivemq/extensions/aws/cloudwatch/CloudWatchReporterService.java
@@ -30,8 +30,8 @@
 import software.amazon.awssdk.core.client.config.ClientAsyncConfiguration;
 import software.amazon.awssdk.core.client.config.ClientOverrideConfiguration;
 import software.amazon.awssdk.core.client.config.SdkAdvancedAsyncClientOption;
-import software.amazon.awssdk.regions.Region;
 import software.amazon.awssdk.services.cloudwatch.CloudWatchAsyncClient;
+import software.amazon.awssdk.services.cloudwatch.CloudWatchAsyncClientBuilder;
 
 import java.net.URI;
 import java.time.Duration;
@@ -65,25 +65,23 @@ void startCloudWatchReporter(
         } else {
             final Duration apiTimeout = cloudWatchConfig.getApiTimeout().map(Duration::ofMillis).orElse(null);
 
-            final String endpointOverride = System.getenv("AWS_ENDPOINT_OVERRIDE");
-            final URI endpoint = URI.create(endpointOverride);
-            System.out.println("ENDPOINT IS " + endpoint);
-
-            final String awsRegion = System.getenv("AWS_REGION_OVERRIDE");
-            System.out.println("AWS_REGION IS " + awsRegion);
-
-            final CloudWatchAsyncClient cloudWatchAsync = CloudWatchAsyncClient.builder()
-                    .endpointOverride(endpoint)
-                    .region(Region.of(awsRegion))
-                    .credentialsProvider(DefaultCredentialsProvider.create())
-                    .asyncConfiguration(ClientAsyncConfiguration.builder()
-                            .advancedOption(SdkAdvancedAsyncClientOption.FUTURE_COMPLETION_EXECUTOR, executorService)
-                            .build())
-                    .overrideConfiguration(ClientOverrideConfiguration.builder()
-                            .apiCallTimeout(apiTimeout)
-                            .apiCallAttemptTimeout(apiTimeout)
-                            .build())
-                    .build();
+            final CloudWatchAsyncClientBuilder cloudWatchAsyncClientBuilder = CloudWatchAsyncClient.builder();
+            if (configuration.getConfig().getAwsEndpointOverride() != null) {
+                cloudWatchAsyncClientBuilder.endpointOverride(URI.create(configuration.getConfig()
+                        .getAwsEndpointOverride()));
+            }
+
+            final CloudWatchAsyncClient cloudWatchAsync =
+                    cloudWatchAsyncClientBuilder.credentialsProvider(DefaultCredentialsProvider.create())
+                            .asyncConfiguration(ClientAsyncConfiguration.builder()
+                                    .advancedOption(SdkAdvancedAsyncClientOption.FUTURE_COMPLETION_EXECUTOR,
+                                            executorService)
+                                    .build())
+                            .overrideConfiguration(ClientOverrideConfiguration.builder()
+                                    .apiCallTimeout(apiTimeout)
+                                    .apiCallAttemptTimeout(apiTimeout)
+                                    .build())
+                            .build();
 
             final CloudWatchReporter.Builder builder =
                     CloudWatchReporter.forRegistry(metricRegistry, cloudWatchAsync, METRIC_NAMESPACE);
@@ -94,8 +92,7 @@ void startCloudWatchReporter(
             if (configuration.getConfig().getReportRawCountValue()) {
                 builder.withReportRawCountValue();
             }
-            cloudWatchReporter = builder
-                    .withZeroValuesSubmission()
+            cloudWatchReporter = builder.withZeroValuesSubmission()
                     .withReportRawCountValue()
                     .filter(new ConfiguredMetricsFilter(configuration.getEnabledMetrics()))
                     .build();
diff --git a/src/main/java/com/hivemq/extensions/aws/cloudwatch/configuration/entities/Config.java b/src/main/java/com/hivemq/extensions/aws/cloudwatch/configuration/entities/Config.java
index 1222614..0d98e1a 100755
--- a/src/main/java/com/hivemq/extensions/aws/cloudwatch/configuration/entities/Config.java
+++ b/src/main/java/com/hivemq/extensions/aws/cloudwatch/configuration/entities/Config.java
@@ -57,6 +57,9 @@ public class Config {
     @XmlElement(name = "report-raw-count-value", defaultValue = "false")
     private final boolean reportRawCountValue = false;
 
+    @XmlElement(name = "aws-endpoint-override")
+    private final @Nullable String awsEndpointOverride = null;
+
     public final @NotNull List<Metric> getMetrics() {
         return metrics;
     }
@@ -85,6 +88,10 @@ public boolean getZeroValuesSubmission() {
         return zeroValuesSubmission;
     }
 
+    public @Nullable String getAwsEndpointOverride() {
+        return awsEndpointOverride;
+    }
+
     @Override
     public final @NotNull String toString() {
         return "Config{" +