Port health check implementation from upstream

pom.xml

@@ -24,7 +24,7 @@
     <parent>
         <groupId>us.springett</groupId>
         <artifactId>alpine-parent</artifactId>
-        <version>2.2.0</version>
+        <version>2.2.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -93,7 +93,6 @@
         <lib.kafka-junit.version>3.3.0</lib.kafka-junit.version>
         <lib.kafka-streams.version>3.4.0</lib.kafka-streams.version>
         <lib.lucene.version>8.11.2</lib.lucene.version>
-        <lib.microprofile-health-api.version>3.1</lib.microprofile-health-api.version>
         <lib.packageurl.version>1.4.1</lib.packageurl.version>
         <lib.pebble.version>3.2.0</lib.pebble.version>
         <lib.protobuf-java.version>3.22.2</lib.protobuf-java.version>
@@ -156,17 +155,6 @@
             <artifactId>alpine-server</artifactId>
             <version>${lib.alpine.version}</version>
         </dependency>
-        <!-- DataNucleus -->
-        <dependency>
-            <!--
-                Temporarily forcing a newer version that what Alpine ships with.
-                We need https://github.com/datanucleus/datanucleus-rdbms/issues/455
-                for Hyades. Once Alpine has updated, remove this direct dependency.
-            -->
-            <groupId>org.datanucleus</groupId>
-            <artifactId>datanucleus-rdbms</artifactId>
-            <version>6.0.3</version>
-        </dependency>
         <!-- CVSS Calculator -->
         <dependency>
             <groupId>us.springett</groupId>
@@ -220,12 +208,6 @@
             <artifactId>json</artifactId>
             <version>20230227</version>
         </dependency>
-        <!-- MicroProfile Health -->
-        <dependency>
-            <groupId>org.eclipse.microprofile.health</groupId>
-            <artifactId>microprofile-health-api</artifactId>
-            <version>${lib.microprofile-health-api.version}</version>
-        </dependency>
         <!-- Package URL -->
         <dependency>
             <groupId>com.github.package-url</groupId>

src/main/docker/Dockerfile

@@ -67,7 +67,7 @@ CMD java ${JAVA_OPTIONS} ${EXTRA_JAVA_OPTIONS} --add-opens java.base/java.util.c
 EXPOSE 8080
 
 # Add a healthcheck using the Dependency-Track version API
-HEALTHCHECK --interval=5m --timeout=3s CMD wget --no-proxy -q -O /dev/null http://127.0.0.1:8080${CONTEXT}api/version || exit 1
+HEALTHCHECK --interval=30s --timeout=3s CMD wget --no-proxy -q -O /dev/null http://127.0.0.1:8080${CONTEXT}health || exit 1
 
 # metadata labels
 LABEL \

src/main/java/org/dependencytrack/health/HealthCheckInitializer.java

@@ -0,0 +1,39 @@
+/*
+ * This file is part of Dependency-Track.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright (c) Steve Springett. All Rights Reserved.
+ */
+package org.dependencytrack.health;
+
+import alpine.common.logging.Logger;
+import alpine.server.health.HealthCheckRegistry;
+import alpine.server.health.checks.DatabaseHealthCheck;
+
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+
+public class HealthCheckInitializer implements ServletContextListener {
+
+    private static final Logger LOGGER = Logger.getLogger(HealthCheckInitializer.class);
+
+    @Override
+    public void contextInitialized(final ServletContextEvent event) {
+        LOGGER.info("Registering health checks");
+        HealthCheckRegistry.getInstance().register("database", new DatabaseHealthCheck());
+        HealthCheckRegistry.getInstance().register("kafka-streams", new KafkaStreamsHealthCheck());
+    }
+
+}

src/main/java/org/dependencytrack/health/KafkaStreamsHealthCheck.java

@@ -4,6 +4,7 @@
 import org.dependencytrack.event.kafka.KafkaStreamsInitializer;
 import org.eclipse.microprofile.health.HealthCheck;
 import org.eclipse.microprofile.health.HealthCheckResponse;
+import org.eclipse.microprofile.health.Liveness;
 
 /**
  * A {@link HealthCheck} for Kafka Streams.
@@ -12,6 +13,7 @@
  *
  * @see <a href="https://github.com/quarkusio/quarkus/blob/2.16.5.Final/extensions/kafka-streams/runtime/src/main/java/io/quarkus/kafka/streams/runtime/health/KafkaStreamsStateHealthCheck.java">Quarkus Kafka Streams Health Check</a>
  */
+@Liveness
 class KafkaStreamsHealthCheck implements HealthCheck {
 
     @Override