Update grafana/promtail Docker tag to v3

Signed-off-by: Marcus Noble <github@marcusnoble.co.uk>

manifests/auth-proxy/internal-services.yaml

@@ -83,3 +83,20 @@ spec:
     app: internal-proxy
   type: ClusterIP
 ---
+apiVersion: v1
+kind: Service
+metadata:
+  name: hermes
+  namespace: auth-proxy
+  labels:
+    app: internal-proxy
+spec:
+  ports:
+  - name: http
+    port: 80
+    protocol: TCP
+    targetPort: 8080
+  selector:
+    app: internal-proxy
+  type: ClusterIP
+---

manifests/auth-proxy/proxy.yaml

@@ -13,7 +13,9 @@ data:
       "loki.auth-proxy.svc": "loki-write.cluster.local",
       "loki.auth-proxy.svc:80": "loki-write.cluster.local",
       "loki-distributed.auth-proxy.svc": "loki-loki.cluster.local",
-      "loki-distributed.auth-proxy.svc:80": "loki-loki.cluster.local"
+      "loki-distributed.auth-proxy.svc:80": "loki-loki.cluster.local",
+      "hermes.auth-proxy.svc": "hermes.cluster.local",
+      "hermes.auth-proxy.svc:80": "hermes.cluster.local"
     }
 ---
 apiVersion: apps/v1

manifests/monitoring/promtail.yaml

@@ -216,7 +216,7 @@ spec:
       serviceAccountName: promtail
       containers:
         - name: promtail
-          image: "grafana/promtail:2.9.17"
+          image: "grafana/promtail:3.6.11"
           imagePullPolicy: IfNotPresent
           args:
             - "-config.file=/etc/promtail/promtail.yaml"