terraform: Add provider blocks to all examples

examples/secretsmanager-vault-terraform-provider/main.tf

@@ -12,11 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-provider "stackit" {
-  default_region           = "eu01"
-  service_account_key_path = ""
-}
-
 resource "stackit_secretsmanager_instance" "example" {
   project_id = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
   name       = "example-instance"
@@ -29,16 +24,6 @@ resource "stackit_secretsmanager_user" "example" {
   write_enabled = true
 }
 
-provider "vault" {
-  address          = "https://prod.sm.eu01.stackit.cloud"
-  skip_child_token = true
-
-  auth_login_userpass {
-    username = stackit_secretsmanager_user.example.username
-    password = stackit_secretsmanager_user.example.password
-  }
-}
-
 resource "stackit_observability_instance" "example" {
   project_id = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
   name       = "example-instance"

examples/secretsmanager-vault-terraform-provider/provider.tf

@@ -0,0 +1,41 @@
+# Copyright 2026 Schwarz Digits Cloud GmbH & Co. KG
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+terraform {
+  required_providers {
+    stackit = {
+      source  = "stackitcloud/stackit"
+      version = ">= 0.94.0"
+    }
+    vault = {
+      source  = "hashicorp/vault"
+      version = "5.9.0"
+    }
+  }
+}
+
+provider "stackit" {
+  default_region           = "eu01"
+  service_account_key_path = ""
+}
+
+provider "vault" {
+  address          = "https://prod.sm.eu01.stackit.cloud"
+  skip_child_token = true
+
+  auth_login_userpass {
+    username = stackit_secretsmanager_user.example.username
+    password = stackit_secretsmanager_user.example.password
+  }
+}

examples/ske-encrypted-volumes/main.tf

@@ -12,18 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-provider "stackit" {
-  default_region           = "eu01"
-  service_account_key_path = ""
-}
-
-provider "kubernetes" {
-  host                   = yamldecode(stackit_ske_kubeconfig.example.kube_config).clusters.0.cluster.server
-  client_certificate     = base64decode(yamldecode(stackit_ske_kubeconfig.example.kube_config).users.0.user.client-certificate-data)
-  client_key             = base64decode(yamldecode(stackit_ske_kubeconfig.example.kube_config).users.0.user.client-key-data)
-  cluster_ca_certificate = base64decode(yamldecode(stackit_ske_kubeconfig.example.kube_config).clusters.0.cluster.certificate-authority-data)
-}
-
 resource "stackit_ske_cluster" "default" {
   project_id             = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
   name                   = "ske-enc-vol"