apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: loki
  namespace: loki
  labels:
    app.kubernetes.io/name: loki
spec:
  replicas: 1
  serviceName: loki-headless
  selector:
    matchLabels:
      app.kubernetes.io/name: loki
  template:
    metadata:
      labels:
        app.kubernetes.io/name: loki
      annotations:
        prometheus.io/scrape: "true"
        prometheus.io/port: "3100"
        prometheus.io/path: "/metrics"
    spec:
      securityContext:
        fsGroup: 10001
        runAsGroup: 10001
        runAsNonRoot: true
        runAsUser: 10001
      containers:
        - name: loki
          image: grafana/loki:3.3.2
          imagePullPolicy: IfNotPresent
          args:
            - -config.file=/etc/loki/loki.yaml
          ports:
            - name: http
              containerPort: 3100
              protocol: TCP
            - name: grpc
              containerPort: 9096
              protocol: TCP
          livenessProbe:
            httpGet:
              path: /ready
              port: http
            initialDelaySeconds: 45
            periodSeconds: 10
            timeoutSeconds: 5
            failureThreshold: 3
          readinessProbe:
            httpGet:
              path: /ready
              port: http
            initialDelaySeconds: 45
            periodSeconds: 10
            timeoutSeconds: 5
            failureThreshold: 3
          resources:
            requests:
              cpu: 100m
              memory: 256Mi
            limits:
              cpu: 500m
              memory: 512Mi
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop:
                - ALL
            readOnlyRootFilesystem: true
          volumeMounts:
            - name: config
              mountPath: /etc/loki
            - name: data
              mountPath: /loki
            - name: tmp
              mountPath: /tmp
      volumes:
        - name: config
          configMap:
            name: loki-config
        - name: data
          persistentVolumeClaim:
            claimName: loki-data
        - name: tmp
          emptyDir: {}