These are instructions to start a mongo db deployment. Assuming these files are all in the same directory you can run this ``` kubectl apply -k . ```

configmap.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: mongo-configmap
  labels:
    app: meal-plan-app
    component: mongo-db
data:
  MONGO_INITDB_ROOT_USERNAME: root
  MONGO_INITDB_ROOT_PASSWORD: rootR0xks

deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: mongo-db
  labels:
    app: meal-plan-app
    component: mongo-db
spec:
  replicas: 1
  selector:
    matchLabels:
      app: meal-plan-app
      component: mongo-db
  template:
    metadata:
      labels:
        app: meal-plan-app
        component: mongo-db
    spec:
      containers:
      - name:  mongo-db
        image:  mongo:4.0
        command:
          - mongod
        resources:
          requests:
            memory: "64Mi"
            cpu: "250m"
          limits:
            memory: "256Mi"
            cpu: "500m"
        envFrom:
        - configMapRef:
            name: mongo-configmap   

kustomization.yaml

apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
resources:
- configmap.yaml
- deployment.yaml
- service.yaml

service.yaml

kind: Service
apiVersion: v1
metadata:
  name:  mongo-db
spec:
  selector:
    app: meal-plan-app
    component: mongo-db
  type: NodePort
  ports:
  - name:  db
    port:  27017
    targetPort:  27017