remove certain things and added stuff

Dockerfile

@@ -0,0 +1,21 @@
+# Use a minimal java image
+FROM openjdk:21-jdk-slim
+
+# Set the working directory inside the container
+WORKDIR /work/
+
+# Set proper permissions for user 1001
+RUN chown 1001 /work \
+    && chmod "g+rwX" /work
+
+# Copy the entire Quarkus app folder and set ownership
+COPY --chown=1001:root quarkus-app/ /work/quarkus-app
+
+# Expose the application's port
+EXPOSE 8090
+
+# Switch to non-root user for better security
+USER 1001
+
+# Define the entrypoint to run the JAR
+CMD ["java", "-Dquarkus.http.host=0.0.0.0", "-Dquarkus.http.port=8090", "-jar", "/work/quarkus-app/quarkus-run.jar"]

Jenkinsfile

@@ -51,8 +51,8 @@ spec:
         - name: NEXUS_URL
           value: "http://nexus-repo-nexus-repository-manager.default.svc.cluster.local:8081/repository/my-helm-repo/"
 
-    - name: docker
-      image: docker:dind
+    - name: custom-docker
+      image: nexus-repo-nexus-repository-manager.default.svc.cluster.local:5000/custom-dind:latest
       workingDir: /home/jenkins/agent
       command: ["/bin/sh", "-c"]
       args: ["sleep 9999999"]
@@ -96,7 +96,7 @@ spec:
         }
         stage('Retrieve docker Environment Variables') {
             steps {
-                container('docker') {
+                container('custom-docker') {
                     script {
                         env.NEXUS_DOCKER_URL = sh(script: 'echo $NEXUS_DOCKER_URL', returnStdout: true).trim()
                         env.NEXUS_DOCKER_PASS = sh(script: 'echo $NEXUS_DOCKER_PASS', returnStdout: true).trim()