chore: add web3signer and postgres node selectors (#23598)

Fix A-1110

Author: alexghr

spartan/aztec-postgres/templates/statefulset.yaml

@@ -18,6 +18,10 @@ spec:
         app.kubernetes.io/instance: {{ .Release.Name }}
         app.kubernetes.io/component: {{ .Values.component | default .Chart.Name }}
     spec:
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
       containers:
         - name: postgres
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"

spartan/aztec-postgres/values.yaml

@@ -28,3 +28,5 @@ persistence:
 
 service:
   port: 5432
+
+nodeSelector: {}

spartan/terraform/modules/validator-ha-postgres/main.tf

@@ -51,6 +51,9 @@ resource "helm_release" "postgres" {
       enabled = true
       size    = var.STORAGE_SIZE
     }
+    nodeSelector = {
+      "node-type" = "network"
+    }
   })]
 
   timeout       = 300
@@ -68,6 +71,9 @@ resource "kubernetes_job_v1" "migrations" {
     template {
       metadata {}
       spec {
+        node_selector = {
+          "node-type" = "network"
+        }
         container {
           name  = "migrate"
           image = var.AZTEC_DOCKER_IMAGE

spartan/terraform/modules/web3signer/main.tf

@@ -77,6 +77,19 @@ resource "helm_release" "web3signer" {
         repository = split(":", var.WEB3SIGNER_DOCKER_IMAGE)[0]
         tag        = split(":", var.WEB3SIGNER_DOCKER_IMAGE)[1]
       }
+      nodeSelector = {
+        "node-type" = "network"
+      }
+      resources = {
+        requests = {
+          cpu    = "100m"
+          memory = "512Mi"
+        }
+        limits = {
+          cpu    = "1"
+          memory = "2Gi"
+        }
+      }
       extraVolumes = [
         {
           name = "keystores"