Update README.md and application.yml: adjust cron to 30-minute intervals, add JRE-21 requirement; enhance pom.xml with issue management details

README.md

@@ -12,7 +12,7 @@ A Spring Boot web service that automatically fetches, manages, and serves Javado
 
 ## Requirements
 
-Currently, this service is docker-only.
+JRE-21 or docker
 
 ## Docker
 
@@ -45,9 +45,9 @@ Volume mapping:
 Key defaults:
 
 | Property | Default                          | Description                        |
-|---|---|---|
+|---|----------------------------------|------------------------------------|
 | `jdvs.base-dir` | `./javadoc-storage`              | Storage root for generated Javadoc |
-| `jdvs.cron` | `0 0/15 * * * ?` | Update schedule (every 15 min) |
+| `jdvs.cron` | `0 0/30 * * * ?`                 | Update schedule (every 30 min)     |
 | `jdvs.clean-on-start` | `false`                          | Wipe storage and DB on startup     |
 | `jdvs.run-on-start` | `false`                          | Run update immediately on startup  |
 | `jdvs.maven-central-url` | `https://repo1.maven.org/maven2` | Default Maven repository           |

pom.xml

@@ -24,6 +24,11 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
+    <issueManagement>
+        <url>https://git.mein-gateway.de/thischwa/JavadocViewerService/issues</url>
+        <system>Gitea Issues</system>
+    </issueManagement>
+
     <scm>
         <developerConnection>scm:git:https://git.mein-gateway.de/thischwa/JavadocViewerService.git</developerConnection>
         <connection>scm:git:https://git.mein-gateway.de/thischwa/JavadocViewerService.git</connection>

src/main/resources/application.yml

@@ -1,6 +1,6 @@
 jdvs:
   base-dir: ./javadoc-storage
-  cron: 0 0/15 * * * ?
+  cron: 0 0/30 * * * ?
   clean-on-start: false
   run-on-start: false
   maven-central-url: https://repo1.maven.org/maven2