move prometheus to its own config

infrastructure/prometheus/kustomization.yaml

@@ -0,0 +1,19 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: monitoring
+
+resources: 
+  - namespace.yaml
+  # prometheus-operator crds
+  - https://github.com/prometheus-operator/prometheus-operator/releases/download/v0.70.0/bundle.yaml
+  - prometheus.yaml
+  - thanos-objstore-config.sealedsecret.yaml
+  # thanos deployment from kube-thanos project
+  - thanos-store.statefulset.yaml
+  - thanos-query.deployment.yaml
+
+images:
+  - name: thanos
+    newName: quay.io/thanos/thanos
+    newTag: v0.34.1