mongoDB-Stateful-Deployment/mongo-db.yaml at master · ByteEngr/mongoDB-Stateful-Deployment · GitHub

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apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: stateful-mongo
spec:
  serviceName: mongo-headless
  replicas: 1
  selector:
    matchLabels:
      app: mongo
  template:
    metadata:
      labels:
        app: mongo
    spec:
      containers:
        - name: mongo
          image: mongo:4.4-focal
          ports:
            - containerPort: 27017
              name: mongodb
          env:
            - name: MONGO_INITDB_ROOT_USERNAME
              valueFrom:
                secretKeyRef:
                  name: mongodb-secret
                  key: MONGO_INITDB_ROOT_USERNAME
            - name: MONGO_INITDB_ROOT_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: mongodb-secret
                  key: MONGO_INITDB_ROOT_PASSWORD
          volumeMounts:
            - name: mongo-persistent-storage
              mountPath: /data/db
            - name: mongo-volume
              mountPath: /docker-entrypoint-initdb.d
      volumes:
        - name: mongo-volume
          configMap:
            name: mongo-configmap
  volumeClaimTemplates:
    - metadata:
        name: mongo-persistent-storage
      spec:
        accessModes:
          - ReadWriteOnce
        storageClassName: standard
        resources:
          requests:
            storage: 1Gi

---
apiVersion: v1
kind: Service
metadata:
  name: mongo-headless
  labels:
    app: mongo
spec:
  clusterIP: None
  selector:
    app: mongo
  ports:
    - name: mongodb
      port: 27017
      targetPort: 27017