add credential handling for multiple user/dbs

postgres/outputs.tf

@@ -39,3 +39,17 @@ output "postgres_user_id" {
   value = stackit_postgresflex_user.this.user_id
 }
 
+output "postgres_credentials" {
+  value = {
+    for k, u in stackit_postgresflex_user.this :
+    k => {
+      host     = u.host
+      username = u.username
+      password = u.password
+      port     = u.port
+      db_name  = stackit_postgresflex_database.this[u.owner].name
+      uri      = u.uri
+    }
+  }
+  sensitive = true
+}