apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mongodb-pvc
  namespace: unifi
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 5Gi  
  storageClassName: do-block-storage
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: init-mongo-script
  namespace: unifi
data:
  init-mongo.sh: |
    #!/bin/bash

    if which mongosh > /dev/null 2>&1; then
      mongo_init_bin='mongosh'
    else
      mongo_init_bin='mongo'
    fi
    "${mongo_init_bin}" <<EOF
    use ${MONGO_AUTHSOURCE}
    db.auth("${MONGO_INITDB_ROOT_USERNAME}", "${MONGO_INITDB_ROOT_PASSWORD}")
    db.createUser({
      user: "${MONGO_USER}",
      pwd: "${MONGO_PASS}",
      roles: [
        { db: "${MONGO_DBNAME}", role: "dbOwner" },
        { db: "${MONGO_DBNAME}_stat", role: "dbOwner" }
      ]
    })
    EOF
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: mongo
spec:
  replicas: 1
  selector:
    matchLabels:
      app: mongo
  template:
    metadata:
      labels:
        app: mongo
    spec:
      containers:
        - name: mongo
          image: mongo:8.0.3
          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
            - name: MONGO_USER
              valueFrom:
                secretKeyRef:
                  name: mongodb-secret
                  key: MONGO_USER
            - name: MONGO_PASS
              valueFrom:
                secretKeyRef:
                  name: mongodb-secret
                  key: MONGO_PASS
            - name: MONGO_DBNAME
              valueFrom:
                secretKeyRef:
                  name: mongodb-secret
                  key: MONGO_DBNAME
            - name: MONGO_AUTHSOURCE
              valueFrom:
                secretKeyRef:
                  name: mongodb-secret
                  key: MONGO_AUTHSOURCE
          volumeMounts:
            - name: data-volume
              mountPath: /data/db
            - name: init-script
              mountPath: /docker-entrypoint-initdb.d/init-mongo.sh
              subPath: init-mongo.sh
          resources:
            limits:
              memory: "1Gi"
              cpu: "500m"
            requests:
              memory: "200Mi"
              cpu: "50m"
      volumes:
        - name: data-volume
          persistentVolumeClaim:
            claimName: mongodb-pvc
        - name: init-script
          configMap:
            name: init-mongo-script
---
apiVersion: v1
kind: Service
metadata:
  name: mongodb
  namespace: unifi
spec:
  ports:
    - port: 27017
  selector:
    app: mongo