example-configuration/bot-mongo.yaml

apiVersion: v1
data:
  password: YWRtaW4K #admin this is base64 encoded, change with your choosing
  username: YWRtaW4K #admin
kind: Secret
metadata:
  name: mongo-creds
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mongo-data
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 2Gi
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  labels:
    app: mongo
  name: mongo
spec:
  replicas: 1
  selector:
    matchLabels:
      app: mongo
  strategy: {}
  template:
    metadata:
      labels:
        app: mongo
    spec:
      containers:
      - image: mongo:bionic
        name: mongo
        resources:
          limits:
            cpu: "500m" # 500 milliCPU
            memory: "512Mi" # 512 Mebibytes
        args: ["--dbpath","/data/db"]
        livenessProbe:
          exec:
            command:
              - mongo
              - --disableImplicitSessions
              - --eval
              - "db.adminCommand('ping')"
          initialDelaySeconds: 30
          periodSeconds: 10
          timeoutSeconds: 5
          successThreshold: 1
          failureThreshold: 6
        readinessProbe:
          exec:
            command:
              - mongo
              - --disableImplicitSessions
              - --eval
              - "db.adminCommand('ping')"
          initialDelaySeconds: 30
          periodSeconds: 10
          timeoutSeconds: 5
          successThreshold: 1
          failureThreshold: 6
        env:
        - name: MONGO_INITDB_ROOT_USERNAME
          valueFrom:
            secretKeyRef:
              name: mongo-creds
              key: username
        - name: MONGO_INITDB_ROOT_PASSWORD
          valueFrom:
            secretKeyRef:
              name: mongo-creds
              key: password
        volumeMounts:
        - name: "mongo-data-dir"
          mountPath: "/data/db"
      volumes:
      - name: "mongo-data-dir"
        persistentVolumeClaim:
          claimName: "mongo-data"
---
apiVersion: v1
kind: Service
metadata:
  labels:
    app: mongo
  name: mongo-service
spec:
  ports:
  - port: 27017
    protocol: TCP
    targetPort: 27017
  selector:
    app: mongo