apiVersion: apps/v1
kind: Deployment
metadata:
  name: grafana
  namespace: grafana
  labels:
    app: grafana
spec:
  replicas: 3
  selector:
    matchLabels:
      app: grafana
  template:
    metadata:
      labels:
        app: grafana
    spec:
      securityContext:
        fsGroup: 472
        supplementalGroups:
          - 0
      containers:
        - name: grafana
          image: grafana/grafana:latest
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 3000
              name: http-grafana
              protocol: TCP
          readinessProbe:
            failureThreshold: 3
            httpGet:
              path: /robots.txt
              port: 3000
              scheme: HTTP
            initialDelaySeconds: 10
            periodSeconds: 30
            successThreshold: 1
            timeoutSeconds: 2
          livenessProbe:
            failureThreshold: 3
            initialDelaySeconds: 30
            periodSeconds: 10
            successThreshold: 1
            tcpSocket:
              port: 3000
            timeoutSeconds: 1
          env:
            - name: GF_SERVER_ROOT_URL
              value: "https://obs.prod.panic.haus/"
            - name: GF_SERVER_DOMAIN
              value: "obs.prod.panic.haus"
            # External database configuration (example using PostgreSQL)
            - name: GF_DATABASE_TYPE
              value: "postgres"
            - name: GF_DATABASE_HOST
              value: "postgres-base-rw.postgres:5432"  # Change to your external DB service address
            - name: GF_DATABASE_NAME
              value: "grafanadb"
            - name: GF_DATABASE_USER
              valueFrom:
                secretKeyRef:
                  name: grafana-db-secret
                  key: username
            - name: GF_DATABASE_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: grafana-db-secret
                  key: password
            - name: GF_SESSION_PROVIDER
              value: "redis"
            - name: GF_SESSION_PROVIDER_CONFIG
              value: "redis://redis-lb.redis.svc.cluster.local:6379"
          resources:
            requests:
              cpu: 250m
              memory: 750Mi
          volumeMounts:
            - name: grafana-datasources
              mountPath: /etc/grafana/provisioning/datasources/datasources.yaml
              subPath: datasources.yaml
      volumes:
        - name: grafana-datasources
          configMap:
            name: grafana-datasources