mongo-deployment.yaml

kind: Deployment
apiVersion: apps/v1

metadata:
  name: mongodb

spec:
  replicas: 1
  selector:
    matchLabels:
      app: mongodb
  template:
    metadata:
      labels:
        app: mongodb
    spec:
      containers:
        - name: mongodb-container

          image: mongo:5.0
          imagePullPolicy: Always

          ports:
            - containerPort: 27017

          resources:
            requests:
              cpu: 100m
              memory: 200Mi
            limits:
              cpu: 500m
              memory: 300Mi

          readinessProbe:
            exec:
              command:
                - mongo
                - --eval
                - db.adminCommand('ping')

          env:
            - name: MONGO_INITDB_ROOT_USERNAME
              value: admin
            - name: MONGO_INITDB_ROOT_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: mongo-creds
                  key: admin-password