Add MemoryCheck service for monitoring max heap memory

Dockerfile

@@ -26,4 +26,4 @@ ENV DATASOURCE_USERNAME=${DATASOURCE_USERNAME}
 ENV SPRING_PROFILE=${SPRING_PROFILE}
 
 # Default to no profile
-ENTRYPOINT java $DEBUG_VARS $PROXY_VARS -Xmx8192m -jar /dictionary.jar --spring.profiles.active=${SPRING_PROFILE:-}
+ENTRYPOINT java $DEBUG_VARS $PROXY_VARS -Xmx8192m ${JAVA_OPTS} -jar /dictionary.jar --spring.profiles.active=${SPRING_PROFILE:-}

src/main/java/edu/harvard/dbmi/avillach/dictionary/memory/MemoryCheck.java

@@ -0,0 +1,15 @@
+package edu.harvard.dbmi.avillach.dictionary.memory;
+
+import jakarta.annotation.PostConstruct;
+import org.springframework.stereotype.Service;
+
+@Service
+public class MemoryCheck {
+
+    @PostConstruct
+    public void checkMemory() {
+        long maxMemory = Runtime.getRuntime().maxMemory() / (1024 * 1024);
+        System.out.println("Max Heap Memory (Xmx): " + maxMemory + " MB");
+    }
+
+}