CI/CD pipeline extended with custom docker image

etc/jenkins/Jenkinsfile_ci_build

@@ -1,5 +1,137 @@
 pipeline {
-    agent none
+    agent {
+    kubernetes {
+           label 'ci-agent-pod'
+           defaultContainer 'jnlp'
+           yaml """
+apiVersion: v1
+kind: Pod
+spec:
+  volumes:
+    - name: tools
+      persistentVolumeClaim:
+        claimName: tools-claim-jiro-jersey
+    - name: volume-known-hosts
+      configMap:
+        name: known-hosts
+    - name: settings-xml
+      secret:
+        secretName: m2-secret-dir
+        items:
+          - key: settings.xml
+            path: settings.xml
+    - name: toolchains-xml
+      configMap:
+        name: m2-dir
+        items:
+          - key: toolchains.xml
+            path: toolchains.xml
+    - name: settings-security-xml
+      secret:
+        secretName: m2-secret-dir
+        items:
+          - key: settings-security.xml
+            path: settings-security.xml
+    - name: m2-repo
+      emptyDir: {}
+
+  containers:
+    - name: jdk8
+      resources:
+        limits:
+          memory: "1024Mi"
+          cpu: "2000m"
+        requests:
+          memory: "512Mi"
+          cpu: "1000m"
+      image: tkraus/el-build:2.0.2
+      volumeMounts:
+        - name: volume-known-hosts
+          mountPath: /home/jenkins/.ssh
+        - name: tools
+          mountPath: /opt/tools
+        - name: settings-xml
+          mountPath: /home/jenkins/.m2/settings.xml
+          subPath: settings.xml
+          readOnly: true
+        - name: toolchains-xml
+          mountPath: /home/jenkins/.m2/toolchains.xml
+          subPath: toolchains.xml
+          readOnly: true
+        - name: settings-security-xml
+          mountPath: /home/jenkins/.m2/settings-security.xml
+          subPath: settings-security.xml
+          readOnly: true
+        - name: m2-repo
+          mountPath: /home/jenkins/.m2/repository
+      tty: true
+      command:
+        - cat
+    - name: jdk11
+      resources:
+        limits:
+          memory: "1024Mi"
+          cpu: "2000m"
+        requests:
+          memory: "512Mi"
+          cpu: "1000m"
+      image: tkraus/el-build:2.0.2
+      volumeMounts:
+        - name: volume-known-hosts
+          mountPath: /home/jenkins/.ssh
+        - name: tools
+          mountPath: /opt/tools
+        - name: settings-xml
+          mountPath: /home/jenkins/.m2/settings.xml
+          subPath: settings.xml
+          readOnly: true
+        - name: toolchains-xml
+          mountPath: /home/jenkins/.m2/toolchains.xml
+          subPath: toolchains.xml
+          readOnly: true
+        - name: settings-security-xml
+          mountPath: /home/jenkins/.m2/settings-security.xml
+          subPath: settings-security.xml
+          readOnly: true
+        - name: m2-repo
+          mountPath: /home/jenkins/.m2/repository
+        tty: true
+        command:
+          - cat
+    - name: jdk19
+      resources:
+        limits:
+          memory: "1024Mi"
+          cpu: "2000m"
+        requests:
+          memory: "512Mi"
+          cpu: "1000m"
+      image: tkraus/el-build:2.0.2
+      volumeMounts:
+        - name: volume-known-hosts
+          mountPath: /home/jenkins/.ssh
+        - name: tools
+          mountPath: /opt/tools
+        - name: settings-xml
+          mountPath: /home/jenkins/.m2/settings.xml
+          subPath: settings.xml
+          readOnly: true
+        - name: toolchains-xml
+          mountPath: /home/jenkins/.m2/toolchains.xml
+          subPath: toolchains.xml
+          readOnly: true
+        - name: settings-security-xml
+          mountPath: /home/jenkins/.m2/settings-security.xml
+          subPath: settings-security.xml
+          readOnly: true
+        - name: m2-repo
+          mountPath: /home/jenkins/.m2/repository
+      tty: true
+      command:
+        - cat
+"""
+           }
+    }
 
     options {
           timeout(time: 30, activity: true, unit: 'HOURS')
@@ -9,46 +141,43 @@ pipeline {
         stage('Jersey build') {
             parallel {
                 stage('JDK 8 ') {
-                    agent {
-                        label 'centos-7'
-                    }
                     tools {
                         jdk 'oracle-jdk8-latest'
                         maven 'apache-maven-latest'
                     }
                     steps {
+                    container("jdk8") {
                         sh '''
                                 bash ${WORKSPACE}/etc/jenkins/jenkins_build.sh
                             '''
                     }
+                    }
                 }
                 stage('JDK 11 ') {
-                    agent {
-                        label 'centos-7'
-                    }
                     tools {
                         jdk 'openjdk-jdk11-latest'
                         maven 'apache-maven-latest'
                     }
                     steps {
+                    container("jdk11") {
                         sh '''
                                 bash ${WORKSPACE}/etc/jenkins/jenkins_build.sh
                             '''
                     }
+                    }
                 }
                 stage('JDK 19 ') {
-                    agent {
-                        label 'centos-7'
-                    }
                     tools {
                         jdk 'openjdk-jdk19-latest'
                         maven 'apache-maven-latest'
                     }
                     steps {
+                    container("jdk19") {
                         sh '''
                                 bash ${WORKSPACE}/etc/jenkins/jenkins_build.sh
                             '''
                     }
+                    }
                 }
             }
         }