diff --git a/boot-opensearch-sample/docker/docker-compose.yml b/boot-opensearch-sample/docker/docker-compose.yml
index b1348824b..116b3e61f 100644
--- a/boot-opensearch-sample/docker/docker-compose.yml
+++ b/boot-opensearch-sample/docker/docker-compose.yml
@@ -1,4 +1,3 @@
-version: '3.8'
 services:
 
   opensearch:
@@ -8,9 +7,14 @@ services:
     ports:
       - "9200:9200"
       - "9600:9600"
+    healthcheck:
+      test: [ "CMD-SHELL", "curl -k -u admin:D3v3l0p-ment --silent --fail https://localhost:9200/ || exit 1" ]
+      interval: 10s
+      timeout: 10s
+      retries: 3
     environment:
       - discovery.type=single-node
-      - OPENSEARCH_INITIAL_ADMIN_PASSWORD=admin
+      - OPENSEARCH_INITIAL_ADMIN_PASSWORD=D3v3l0p-ment
       - "DISABLE_SECURITY_PLUGIN=true"
       - "OPENSEARCH_JAVA_OPTS=-Xms512m -Xmx512m"
 
diff --git a/boot-opensearch-sample/pom.xml b/boot-opensearch-sample/pom.xml
index 786fe5ccc..d3d12c7d6 100644
--- a/boot-opensearch-sample/pom.xml
+++ b/boot-opensearch-sample/pom.xml
@@ -56,11 +56,6 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.glassfish.jaxb</groupId>
-            <artifactId>jaxb-runtime</artifactId>
-            <scope>provided</scope>
-        </dependency>
         <dependency>
             <groupId>org.opensearch.client</groupId>
             <artifactId>spring-data-opensearch-starter</artifactId>
diff --git a/boot-opensearch-sample/src/main/resources/application-local.properties b/boot-opensearch-sample/src/main/resources/application-local.properties
index 62c4e116a..847ab7449 100644
--- a/boot-opensearch-sample/src/main/resources/application-local.properties
+++ b/boot-opensearch-sample/src/main/resources/application-local.properties
@@ -1,5 +1,4 @@
-spring.datasource.driver-class-name=org.postgresql.Driver
-spring.datasource.url=jdbc:postgresql://localhost:5432/appdb
-spring.datasource.username=appuser
-spring.datasource.password=secret
-
+################ opensearch #####################
+opensearch.uris=http://localhost:9200
+opensearch.username=admin
+opensearch.password=D3v3l0p-ment
diff --git a/boot-opensearch-sample/src/main/resources/application.properties b/boot-opensearch-sample/src/main/resources/application.properties
index a2d763338..cd0e100ca 100644
--- a/boot-opensearch-sample/src/main/resources/application.properties
+++ b/boot-opensearch-sample/src/main/resources/application.properties
@@ -9,8 +9,4 @@ spring.mvc.problemdetails.enabled=true
 management.endpoints.web.exposure.include=configprops,env,health,info,logfile,loggers,metrics,prometheus
 management.endpoint.health.show-details=always
 
-################ opensearch #####################
-opensearch.uris=http://localhost:9200
-opensearch.username=admin
-opensearch.password=admin
 spring.threads.virtual.enabled=true
\ No newline at end of file
diff --git a/boot-opensearch-sample/src/test/java/com/example/opensearch/ApplicationIntegrationTest.java b/boot-opensearch-sample/src/test/java/com/example/opensearch/ApplicationIntegrationTest.java
index 633b03437..bae45d571 100644
--- a/boot-opensearch-sample/src/test/java/com/example/opensearch/ApplicationIntegrationTest.java
+++ b/boot-opensearch-sample/src/test/java/com/example/opensearch/ApplicationIntegrationTest.java
@@ -1,10 +1,29 @@
 package com.example.opensearch;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 import com.example.opensearch.common.AbstractIntegrationTest;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.io.IOException;
+import java.io.InputStream;
 import org.junit.jupiter.api.Test;
+import org.opensearch.client.Request;
+import org.opensearch.client.Response;
+import org.opensearch.client.RestClient;
+import org.springframework.beans.factory.annotation.Autowired;
 
 class ApplicationIntegrationTest extends AbstractIntegrationTest {
 
+    @Autowired private RestClient restClient;
+
     @Test
-    void contextLoads() {}
+    void restClientOpenSearchNodeVersion() throws IOException {
+        final Request request = new Request("GET", "/");
+        final Response response = restClient.performRequest(request);
+        try (InputStream input = response.getEntity().getContent()) {
+            JsonNode result = new ObjectMapper().readTree(input);
+            assertThat(result.path("version").path("number").asText()).isEqualTo("2.16.0");
+        }
+    }
 }