apiVersion: apps/v1
kind: Deployment
metadata:
  name: loki
  namespace: monitoring
spec:
  replicas: 1
  selector:
    matchLabels:
      app: loki
  template:
    metadata:
      labels:
        app: loki
    spec:
      nodeName: rpi-worker-monitor
      containers:
        - name: loki
          image: grafana/loki:2.9.0      # 문서에서 쓰던 버전으로 맞추면 됨
          args:
            - "-config.file=/etc/loki/loki-config.yml"
          ports:
            - containerPort: 3100
          volumeMounts:
            - name: loki-config
              mountPath: /etc/loki
            - name: loki-data
              mountPath: /loki
      volumes:
        - name: loki-config
          configMap:
            name: loki-config
        - name: loki-data
          emptyDir: {}
---
apiVersion: v1
kind: Service
metadata:
  name: loki
  namespace: monitoring
spec:
  selector:
    app: loki
  type: NodePort
  ports:
    - port: 3100
      targetPort: 3100
      nodePort: 30102      # ★ promtail이 접근할 NodePort