docs:修改md文档内容，并更新目录。

Author: wbw2048

solution/tech-solution/migrate-ecs-mongodb-to-cloud/README.md renamed to solution/tech-solution/migrate-self-managed-mongodb-to-cloud/README.md

@@ -1,3 +1,5 @@
+## Introduction
+
 <!-- DOCS_DESCRIPTION_CN -->
 本示例用于实现解决方案[自建 MongoDB 迁移到云数据库](https://www.aliyun.com/solution/tech-solution/migrate-self-managed-mongodb-to-cloud), 涉及到专有网络（VPC）、交换机（VSwitch）、云服务器（ECS）、云数据库（MongoDB） 等资源的创建。
 <!-- DOCS_DESCRIPTION_CN -->
@@ -11,8 +13,8 @@ This example demonstrates the implementation of the solution [Migrate self-manag
 
 | Name | Version |
 |------|---------|
-| <a name="provider_alicloud"></a> [alicloud](#provider\_alicloud) | 1.253.0 |
-| <a name="provider_random"></a> [random](#provider\_random) | 3.7.2 |
+| <a name="provider_alicloud"></a> [alicloud](#provider\_alicloud) | n/a |
+| <a name="provider_random"></a> [random](#provider\_random) | n/a |
 
 ## Modules
 
@@ -44,9 +46,9 @@ No modules.
 |------|-------------|------|---------|:--------:|
 | <a name="input_db_name"></a> [db\_name](#input\_db\_name) | 请输入自建MongoDB数据库名称（由小写字母、数字及特殊字符 -\_ 组成，以小写字母开头，小写字母或数字结尾，最多64个字符）。 | `string` | `"mongodb_transfer_test"` | no |
 | <a name="input_db_password"></a> [db\_password](#input\_db\_password) | 请输入自建MongoDB数据库密码。密码长度为8-32位，需包含大写字母、小写字母、数字和特殊字符（如：!@#$%^&*()\_+-=）。 | `string` | n/a | yes |
-| <a name="input_db_user_name"></a> [db\_user\_name](#input\_db\_user\_name) | 请输入自建MongoDB数据库账号（长度为2-16个字符，仅允许小写字母、大写字母、数字和下划线，必须以字母开头，以字母或数字结尾）。 | `string` | n/a | yes |
+| <a name="input_db_user_name"></a> [db\_user\_name](#input\_db\_user\_name) | 请输入自建MongoDB数据库账号（长度为2-16个字符，仅允许小写字母、大写字母、数字和下划线，必须以字母开头，以字母或数字结尾）。 | `string` | `"mongouser"` | no |
 | <a name="input_ecs_instance_password"></a> [ecs\_instance\_password](#input\_ecs\_instance\_password) | 请输入服务器登录密码。密码长度为8-30位，必须包含大写字母、小写字母、数字和特殊字符（如：!@#$%^&*\_-+=\|{}[]:;'<>,.?/）。 | `string` | n/a | yes |
-| <a name="input_mongodb_account_password"></a> [mongodb\_account\_password](#input\_mongodb\_account\_password) | 请输入MongoDB Root密码。密码长度为6-32位，需包含大写字母、小写字母、数字和特殊字符（如：!@#$%^&*()\_+-=）。 | `string` | n/a | yes |
 | <a name="input_mongodb_instance_class"></a> [mongodb\_instance\_class](#input\_mongodb\_instance\_class) | 请输入MongoDB实例规格（例如：mdb.shard.2x.xlarge.d）。根据您的数据库负载选择合适的规格。 | `string` | `"mdb.shard.2x.xlarge.d"` | no |
+| <a name="input_mongodb_password"></a> [mongodb\_password](#input\_mongodb\_password) | 请输入MongoDB Root密码。密码长度为6-32位，需包含大写字母、小写字母、数字和特殊字符（如：!@#$%^&*()\_+-=）。 | `string` | n/a | yes |
 | <a name="input_region_id"></a> [region\_id](#input\_region\_id) | 请输入地域ID（例如：cn-hangzhou）。 | `string` | `"cn-hangzhou"` | no |
 <!-- END_TF_DOCS -->

solution/tech-solution/migrate-ecs-mongodb-to-cloud/main.tf renamed to solution/tech-solution/migrate-self-managed-mongodb-to-cloud/main.tf

@@ -0,0 +1,102 @@
+provider "alicloud" {
+  region = var.region_id
+}
+
+resource "random_id" "suffix" {
+  byte_length = 8
+}
+
+data "alicloud_instance_types" "default" {
+  system_disk_category = "cloud_essd"
+  image_id             = data.alicloud_images.default.images[0].id
+  instance_type_family = "ecs.c6"
+  availability_zone    = data.alicloud_db_zones.rds_zones.zones[length(data.alicloud_db_zones.rds_zones.zones) - 1].id
+}
+
+data "alicloud_images" "default" {
+  name_regex  = "^aliyun_3_x64_20G_alibase_.*"
+  most_recent = true
+  owners      = "system"
+}
+
+locals {
+  common_name = "${random_id.suffix.id}"
+  redis_install_script = <<-SCRIPT
+#!/bin/bash
+export ROS_DEPLOY=true
+curl -fsSL https://static-aliyun-doc.oss-cn-hangzhou.aliyuncs.com/install-script/read-write-splitting-through-tair-proxy/install.sh | bash
+SCRIPT
+}
+
+# VPC Resources
+resource "alicloud_vpc" "vpc" {
+  vpc_name   = "VPC_HZ"
+  cidr_block = "192.168.0.0/16"
+}
+
+resource "alicloud_vswitch" "vswitch" {
+  vpc_id       = alicloud_vpc.vpc.id
+  cidr_block   = "192.168.1.0/24"
+  zone_id      = var.zone_id
+  vswitch_name = "vsw_001"
+}
+
+# Security Group
+resource "alicloud_security_group" "ecs_security_group" {
+  vpc_id              = alicloud_vpc.vpc.id
+  security_group_name = "SecurityGroup_1"
+  security_group_type = "normal"
+}
+
+resource "alicloud_security_group_rule" "http" {
+  type              = "ingress"
+  ip_protocol       = "tcp"
+  port_range        = "80/80"
+  cidr_ip           = "140.205.11.1/25"
+  security_group_id = alicloud_security_group.ecs_security_group.id
+}
+
+# Redis Instance
+resource "alicloud_kvstore_instance" "redis" {
+  db_instance_name  = "redis"
+  instance_class    = "redis.shard.small.2.ce"
+  engine_version    = "7.0"
+  password          = var.db_password
+  payment_type      = "PostPaid"
+  vswitch_id        = alicloud_vswitch.vswitch.id
+  zone_id           = var.zone_id
+  read_only_count   = 1
+  security_ips      = ["192.168.0.0/16"]
+}
+
+# ECS Instance
+resource "alicloud_instance" "ecs_instance" {
+  instance_name              = "ecs-${local.common_name}"
+  system_disk_category       = data.alicloud_instance_types.default.system_disk_category
+  image_id                   = data.alicloud_images.default.images[0].id
+  system_disk_size           = 100
+  vswitch_id                 = alicloud_vswitch.vswitch.id
+  password                   = var.ecs_instance_password
+  instance_type              = var.ecs_instance_type
+  internet_max_bandwidth_out = 5
+  security_groups            = [alicloud_security_group.ecs_security_group.id]
+}
+
+# Install Redis Client Command
+resource "alicloud_ecs_command" "install_redis_client" {
+  name            = "install-redis-client-${local.common_name}"
+  description     = "Install Redis client on ECS instance"
+  type            = "RunShellScript"
+  command_content = base64encode(local.redis_install_script)
+  timeout         = 600
+  working_dir     = "/root"
+}
+
+resource "alicloud_ecs_invocation" "install_redis_client" {
+  instance_id = [alicloud_instance.ecs_instance.id]
+  command_id  = alicloud_ecs_command.install_redis_client.id
+  depends_on  = [alicloud_kvstore_instance.redis]
+  timeouts {
+    create = "10m"
+  }
+}

solution/tech-solution/migrate-ecs-mongodb-to-cloud/output.tf renamed to solution/tech-solution/migrate-self-managed-mongodb-to-cloud/output.tf

@@ -0,0 +1,19 @@
+# Outputs
+output "ecs_login_address" {
+  description = "ECS登录地址"
+  value       = "https://ecs-workbench.aliyun.com/?from=EcsConsole&instanceType=ecs&regionId=${data.alicloud_regions.current.regions[0].id}&instanceId=${alicloud_instance.ecs_instance.id}"
+}
+
+output "redis_connection_address" {
+  description = "Redis连接地址"
+  value       = alicloud_kvstore_instance.redis.connection_domain
+}
+
+output "ecs_public_ip" {
+  description = "ECS公网IP"
+  value       = alicloud_instance.ecs_instance.public_ip
+}
+
+data "alicloud_regions" "current" {
+  current = true
+}

solution/tech-solution/migrate-ecs-mongodb-to-cloud/variable.tf renamed to solution/tech-solution/migrate-self-managed-mongodb-to-cloud/variable.tf

@@ -0,0 +1,36 @@
+# Parameters
+variable "region_id" {
+  description = "请输入地域ID（例如：cn-hangzhou）。"
+  default     = "cn-hangzhou"
+}
+variable "zone_id" {
+  type        = string
+  description = "交换机可用区ID"
+  default     = "cn-hangzhou-k"
+}
+
+variable "db_password" {
+  type        = string
+  description = "Tair数据库密码。长度8-30，必须包含大写字母、小写字母、数字、特殊符号三个；特殊字符包括：!@#$%^&*()_+-="
+  sensitive   = true
+  validation {
+    condition     = can(regex("^[0-9A-Za-z_!@#$%^&*()_+\\-=\\+]+$", var.db_password)) && length(var.db_password) >= 8 && length(var.db_password) <= 30
+    error_message = "长度8-30，必须包含三项（大写字母、小写字母、数字、 !@#$%^&*()_+-=中的特殊符号）"
+  }
+}
+
+variable "ecs_instance_type" {
+  type        = string
+  description = "ECS 实例类型"
+  default     = "ecs.e-c1m2.large"
+}
+
+variable "ecs_instance_password" {
+  type        = string
+  description = "ECS实例密码。服务器登录密码,长度8-30，必须包含三项（大写字母、小写字母、数字、 ()`~!@#$%^&*_-+=|{}[]:;<>,.?/ 中的特殊符号）"
+  sensitive   = true
+  validation {
+    condition     = can(regex("^[a-zA-Z0-9-\\(\\)\\`\\~\\!\\@\\#\\$\\%\\^\\&\\*\\_\\-\\+\\=\\|\\{\\}\\[\\]\\:\\;\\<\\>\\,\\.\\?\\/]*$", var.ecs_instance_password)) && length(var.ecs_instance_password) >= 8 && length(var.ecs_instance_password) <= 30
+    error_message = "长度8-30，必须包含三项（大写字母、小写字母、数字、 ()`~!@#$%^&*_-+=|{}[]:;<>,.?/ 中的特殊符号）"
+  }
+}