add kontor-javalin to podman pod

kontor-javalin/Containerfile

@@ -1,5 +1,5 @@
 # ----------------------------------------------------------------------- #
-FROM gradle:9.2.1-jdk21 AS builder
+FROM docker.io/library/gradle:9.2.1-jdk21 AS builder
 WORKDIR /
 COPY ./src/main/ ./src/main/
 COPY ./build.gradle ./
@@ -13,13 +13,9 @@ FROM alpine/java:21-jre AS run
 
 RUN apk --no-cache add curl
 
-RUN adduser --system appuser
-USER appuser
+COPY --from=builder /build/libs/kontor-javalin-0.2.0-SNAPSHOT.jar app.jar
 
-COPY --from=builder --chown=appuser:appuser /build/libs/kontor-javalin-0.2.0-SNAPSHOT.jar app.jar
-
-EXPOSE 8400
-USER appuser
+EXPOSE 8600
 
 CMD ["java", "-jar", "app.jar"]
 

kontor-javalin/src/main/java/de/thpeetz/kontor/Main.java

@@ -16,7 +16,7 @@ import io.javalin.config.Key;
 
 public class Main {
     private static Logger logger = LoggerFactory.getLogger(Main.class);
-    private static short port = 8400;
+    private static short port = 8600;
     // private static Key<EntityManagerFactory> emf = new
     // Key<EntityManagerFactory>("entityManagerFactory");
     private static Key<SessionFactory> sf = new Key<>("SessionFactory");