show config in info actuator endpoint

plantuml-web/pom.xml

@@ -47,6 +47,10 @@
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
@@ -82,7 +86,7 @@
                     <execution>
                         <id>spring-boot-package</id>
                         <phase>package</phase>
-                        <goals><goal>repackage</goal></goals>
+                        <goals><goal>repackage</goal><goal>build-info</goal></goals>
                     </execution>
                 </executions>
             </plugin>

plantuml-web/src/main/java/net/sourceforge/plantuml/server/AuthUrlInfoContributor.java

@@ -0,0 +1,32 @@
+package net.sourceforge.plantuml.server;
+
+import org.springframework.boot.actuate.info.Info;
+import org.springframework.boot.actuate.info.InfoContributor;
+import org.springframework.stereotype.Component;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.Optional;
+
+@Component
+public class AuthUrlInfoContributor implements InfoContributor {
+    private final PlantumlConfigProperties plantumlConfigProperties;
+
+    public AuthUrlInfoContributor(PlantumlConfigProperties plantumlConfigProperties) {
+        this.plantumlConfigProperties = plantumlConfigProperties;
+    }
+
+    @Override
+    public void contribute(Info.Builder builder) {
+        Map<String, PlantumlConfigProperties.HttpAuthConfig> http = plantumlConfigProperties.getHttp();
+        if (http != null) {
+            Map<String, Object> httpMap = new LinkedHashMap<>();
+            http.forEach((key, value) -> httpMap.put(key, Map.of(
+                    "url", value.getUrl(),
+                    "username", value.getUsername(),
+                    "password", Optional.ofNullable(value.getPassword()).map(p -> "****").orElse("empty")
+            )));
+            builder.withDetail("plantuml", Map.of("http", httpMap));
+        }
+    }
+}

plantuml-web/src/main/resources/application.yml

@@ -1,7 +1,16 @@
 debug: false
-spring:
-  jmx:
-    enabled: false
+#spring:
+#  jmx:
+#    enabled: false
+
+management:
+  endpoints:
+    web:
+      exposure:
+        include: "health,info"
+  endpoint:
+    info:
+      enabled: true
 
 plantuml:
   http: