updated jenkins files and added docker files

Dockerfile

@@ -0,0 +1,46 @@
+# Use Maven base image
+FROM maven:3.8.6-ibmjava-8 as build
+
+# Copy source code
+COPY . /app
+
+# Build application
+RUN mvn -f /app/pom.xml clean install
+
+# Use Jenkins base image
+FROM jenkins/jenkins:lts
+
+USER root
+
+# install wget and tools
+RUN apt-get update && apt-get install -y wget && apt-get install -y software-properties-common
+
+## INSTALL MAVEN ON JENKINS PROCESS
+
+# get maven 3.8.6
+RUN wget --no-verbose -O /tmp/apache-maven-3.8.6-bin.tar.gz https://repo.huaweicloud.com/apache/maven/maven-3/3.8.6/binaries/apache-maven-3.8.6-bin.tar.gz
+
+# install maven
+RUN tar xzf /tmp/apache-maven-3.8.6-bin.tar.gz -C /opt/
+RUN ln -s /opt/apache-maven-3.8.6 /opt/maven
+RUN ln -s /opt/maven/bin/mvn /usr/local/bin
+RUN rm -f /tmp/apache-maven-3.8.6-bin.tar.gz
+ENV MAVEN_HOME /opt/maven
+
+RUN chown -R jenkins:jenkins /opt/maven
+
+## SET JAVA 8 PROCESS
+RUN apt-add-repository 'deb http://security.debian.org/debian-security stretch/updates main'
+RUN apt-get update && apt-get install -y openjdk-8-jdk
+RUN update-alternatives --set java /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
+
+ENV JAVA_HOME /usr/lib/jvm/java-8-openjdk-amd64
+
+# remove download archive files
+RUN apt-get clean
+
+USER jenkins
+
+# Copy built application from the first stage
+COPY --from=build /app/target /prometheus-jenkins
+

jenkins.yaml

@@ -0,0 +1,62 @@
+version: '3'
+services:
+  jenkins-certs:
+    image: docker:20.10.9-dind
+    volumes:
+      - type: bind
+        source: C:/Dev/Jenkins/jenkins-acbis/volumes/jenkins/certs
+        target: /certs/client
+      - type: bind
+        source: C:/Dev/Jenkins/jenkins-acbis/volumes/jenkins/data
+        target: /var/jenkins_home
+    privileged: true
+    networks:
+      jenkins:
+        # alternative hostnames
+        aliases: ["docker"]
+    environment:
+      DOCKER_TLS_CERTDIR: /certs
+      TZ: Europe/Berlin
+    container_name: jenkins-cert
+    deploy:
+      resources:
+        limits:
+          cpus: "2"
+          memory: 512M
+  jenkins:
+    build:
+      context: .
+    ports:
+      - published: 9000
+        target: 8080
+    depends_on: ["jenkins-certs"]
+    volumes:
+      - type: bind
+        source: C:/Dev/Jenkins/jenkins-acbis/volumes/jenkins/certs
+        target: /certs/client
+        read_only: true
+      - type: bind
+        source: C:/Dev/Jenkins/jenkins-acbis/volumes/jenkins/data
+        target: /var/jenkins_home
+      - type: bind
+        source: .
+        # siehe "Repository URL" in der Job-Definition
+        target: /git-repository/prometheus
+        read_only: true
+    networks: ["jenkins"]
+    environment:
+      DOCKER_HOST: tcp://docker:2376
+      DOCKER_CERT_PATH: /certs/client
+      DOCKER_TLS_VERIFY: 1
+      TZ: Europe/Berlin
+    container_name: jenkins
+    hostname: jenkins
+    #deploy:
+    #  resources:
+    #    limits:
+    #      cpus: "2"
+    #      memory: 4096M
+volumes:
+  jenkins_home:
+networks:
+  jenkins: {}

jenkins/Jenkinsfile

@@ -1,10 +1,6 @@
 pipeline {
     agent any
 
-    tools {
-        maven 'maven-3.8.6'
-    }
-
     stages {
         stage('Build') {
             steps {