Add healthcheck endpoint in waiting strategy

src/main/java/org/wiremock/integrations/testcontainers/WireMockContainer.java

@@ -50,6 +50,8 @@ public class WireMockContainer extends GenericContainer<WireMockContainer> {
     private static final String WIREMOCK_2_LATEST_TAG = "2.35.0";
     /*package*/ static final String WIREMOCK_2_MINIMUM_SUPPORTED_VERSION = "2.0.0";
 
+    static final String WIREMOCK_HEALTH_CHECK_SUPPORT_MINIMUM_VERSION = "3.0.0-1";
+
     public static final DockerImageName WIREMOCK_2_LATEST =
             DockerImageName.parse(OFFICIAL_IMAGE_NAME).withTag(WIREMOCK_2_LATEST_TAG);
 
@@ -61,6 +63,11 @@ public class WireMockContainer extends GenericContainer<WireMockContainer> {
             .forHttp("/__admin/mappings")
             .withMethod("GET")
             .forStatusCode(200);
+
+    private static final WaitStrategy HEALTH_CHECK_ENDPOINT_WAITER = Wait
+            .forHttp("/__admin/health")
+            .withMethod("GET")
+            .forStatusCode(200);
     private static final int PORT = 8080;
     private final StringBuilder wireMockArgs;
     private final Map<String, Stub> mappingStubs = new HashMap<>();
@@ -91,7 +98,13 @@ public WireMockContainer(DockerImageName dockerImage) {
         }
 
         wireMockArgs = new StringBuilder();
-        setWaitStrategy(DEFAULT_WAITER);
+
+        if (version.isGreaterThanOrEqualTo(WIREMOCK_HEALTH_CHECK_SUPPORT_MINIMUM_VERSION)) {
+            setWaitStrategy(HEALTH_CHECK_ENDPOINT_WAITER);
+        }
+        else {
+            setWaitStrategy(DEFAULT_WAITER);
+        }
     }
 
     /**

src/test/java/org/wiremock/integrations/testcontainers/WireMockContainerWithWireMockVersionThreeTest.java

@@ -0,0 +1,40 @@
+package org.wiremock.integrations.testcontainers;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+import org.wiremock.integrations.testcontainers.testsupport.http.HttpResponse;
+import org.wiremock.integrations.testcontainers.testsupport.http.TestHttpClient;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@Testcontainers
+public class WireMockContainerWithWireMockVersionThreeTest
+{
+    @Container
+    WireMockContainer wiremockServer = new WireMockContainer("wiremock/wiremock:" + WireMockContainer.WIREMOCK_HEALTH_CHECK_SUPPORT_MINIMUM_VERSION)
+            .withMapping("hello", WireMockContainerTest.class, "hello-world.json")
+            .withMapping("hello-resource", WireMockContainerTest.class, "hello-world-resource.json")
+            .withFileFromResource("hello-world-resource-response.xml", WireMockContainerTest.class,
+                                  "hello-world-resource-response.xml");
+
+
+    @ParameterizedTest
+    @ValueSource(strings = {
+            "hello",
+            "/hello"
+    })
+    void helloWorld(String path) throws Exception {
+        // given
+        String url = wiremockServer.getUrl(path);
+
+        // when
+        HttpResponse response = new TestHttpClient().get(url);
+
+        // then
+        assertThat(response.getBody())
+                .as("Wrong response body")
+                .contains("Hello, world!");
+    }
+}