feat: add Loki + Promtail logging stack

apps/loki/statefulset.yaml

@@ -0,0 +1,85 @@
+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: {}