[POSTGRES] Add to cluster.

cluster/postgres.tf

@@ -0,0 +1,39 @@
+variable "postgres_password" {
+    type = string
+}
+
+resource "kubernetes_secret" "postgres_auth_secret" {
+    metadata {
+        name = "postgres-auth-secret"
+        namespace = "postgresql"
+    }
+    data = {
+        postgresPassword = var.postgres_password
+    }
+    type = "Opaque"
+}
+
+resource "helm_release" "postgresql" {
+    name = "postgresql"
+    repository = "https://charts.bitnami.com/bitnami"
+    chart = "postgresql"
+    create_namespace = true
+    namespace = "postgresql"
+
+    timeout = var.helm_timeout
+    cleanup_on_fail = true
+    force_update = true
+
+    values = [
+        yamlencode({
+            global = {
+                postgresql = {
+                    auth = {
+                        existingSecret = "postgres-auth-secret"
+                    }
+                }
+            }
+        })
+
+    ]
+}