deployment.yaml

---
apiVersion: "extensions/v1beta1"
kind: "Deployment"
metadata:
  name: "jenkins"
  namespace: "jenkins"
  labels:
    name: "jenkins"
spec:
  replicas: 1
  template:
    metadata:
      name: "jenkins"
      labels:
        name: "jenkins"
    spec:
      containers:
        - name: "jenkins"
          image: "jenkins:2.19.2-alpine"
          ports:
            - containerPort: 8080
            - containerPort: 50000
          resources:
            limits:
              cpu: 1
              memory: 1Gi
            requests:
              cpu: 0.5
              memory: 500Mi
          env:
            - name: CPU_REQUEST
              valueFrom:
                resourceFieldRef:
                  resource: requests.cpu
            - name: CPU_LIMIT
              valueFrom:
                resourceFieldRef:
                  resource: limits.cpu
            - name: MEM_REQUEST
              valueFrom:
                resourceFieldRef:
                  resource: requests.memory
                  divisor: "1Mi"
            - name: MEM_LIMIT
              valueFrom:
                resourceFieldRef:
                  resource: limits.memory
                  divisor: "1Mi"
            - name: JAVA_OPTS
              value: "-Xmx$(MEM_REQUEST)m"
          volumeMounts:
            - name: "jenkins"
              mountPath: "/var/jenkins_home"
          livenessProbe:
            httpGet:
              path: /login
              port: 8080
            initialDelaySeconds: 60
            timeoutSeconds: 5
      securityContext:
        fsGroup: 1000
      volumes:
        - name: "jenkins"
          persistentVolumeClaim:
            claimName: "jenkins"