Add Dify template: Build the large language model (LLM) application d…

…evelopment platform Dify on the ECS instance (CentOS 7).

README-CN.md

@@ -166,6 +166,7 @@ ROS 模板的示例和最佳实践。模板分类如下：
 
 | 模板 | 说明 |
 | ---- | ---- |
+| [ai/ecs-instance-dify.yml](./examples/ai/ecs-instance-dify.yml) | 在ECS实例（CentOS 7）上搭建大语言模型(LLM) 应用开发平台Dify。 |
 | [application/ecs-clone-join-sls.yml](./examples/application/ecs-clone-join-sls.yml) | 克隆ECS实例，将IP指向日志服务中新建的机器组，应用指定的规则。 |
 | [application/ecs-group-join-cms.yml](./examples/application/ecs-group-join-cms.yml) | 手动部署LNMP环境（CentOS 7）及配置CMS报警项和报警联系人。  |
 | [application/ecs-group-join-sls.yml](./examples/application/ecs-group-join-sls.yml) | 创建一组ECS实例，将其作为日志服务中相关项目logtail的机器组。 |

README.md

@@ -166,6 +166,7 @@ Examples and best practices of ROS templates. The templates are categorized as f
 
 | Template | Description |
 | -- | ---- |
+| [ai/ecs-instance-dify.yml](./examples/ai/ecs-instance-dify.yml) | Build the large language model (LLM) application development platform Dify on the ECS instance (CentOS 7). |
 | [application/ecs-clone-join-sls.yml](./examples/application/ecs-clone-join-sls.yml) | Clone the ECS instance, direct the IP to the new machine group created in the Log Service, and apply the specified rules. |
 | [application/ecs-group-join-cms.yml](./examples/application/ecs-group-join-cms.yml) | Manually deploy the LNMP environment (CentOS 7) and configure CMS alarm items and alarm contacts.    |
 | [application/ecs-group-join-sls.yml](./examples/application/ecs-group-join-sls.yml) | Create a set of ECS instance, and consider it as the machine group of the related project logtail in Log Service. |

examples/ai/ecs-instance-dify.yml

@@ -0,0 +1,154 @@
+ROSTemplateFormatVersion: '2015-09-01'
+Description:
+  en: Build the large language model (LLM) application development platform Dify on
+    the ECS instance (CentOS 7).
+  zh-cn: 在ECS实例（CentOS 7）上搭建大语言模型(LLM) 应用开发平台Dify。
+Parameters:
+  ZoneId:
+    Type: String
+    Label:
+      en: Availability Zone
+      zh-cn: 可用区ID
+    AssociationProperty: ALIYUN::ECS::Instance:ZoneId
+  InstanceType:
+    Type: String
+    Label:
+      en: Instance Type
+      zh-cn: 实例类型
+    AssociationProperty: ALIYUN::ECS::Instance::InstanceType
+    AssociationPropertyMetadata:
+      ZoneId: ${ZoneId}
+      DefaultValueStrategy: recent
+  SystemDiskCategory:
+    Type: String
+    Label:
+      en: System Disk Type
+      zh-cn: 系统盘类型
+    AssociationProperty: ALIYUN::ECS::Disk::SystemDiskCategory
+    AssociationPropertyMetadata:
+      LocaleKey: DiskCategory
+      ZoneId: ${ZoneId}
+      InstanceType: ${InstanceType}
+      AutoSelectFirst: true
+      AutoChangeType: false
+    Default: cloud_essd
+  InstancePassword:
+    Type: String
+    Label:
+      en: Instance Password
+      zh-cn: 实例密码
+    Description:
+      en: Server login password, Length 8-30, must contain three(Capital letters,
+        lowercase letters, numbers, ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ Special symbol
+        in).
+      zh-cn: 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、 ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ 中的特殊符号）。
+    ConstraintDescription:
+      en: Length 8-30, must contain three(Capital letters, lowercase letters, numbers,
+        ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ Special symbol in).
+      zh-cn: 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）。
+    AssociationPropertyMetadata:
+      Visible:
+        Condition:
+          Fn::Equals:
+          - ${SelectInstance}
+          - false
+    Default:
+    AllowedPattern: '[0-9A-Za-z\_\-\&:;''<>,=%`~!@#\(\)\$\^\*\+\|\{\}\[\]\.\?\/]+$'
+    MinLength: 8
+    MaxLength: 30
+    NoEcho: true
+Resources:
+  Vpc:
+    Type: ALIYUN::ECS::VPC
+    Properties:
+      CidrBlock: 192.168.0.0/16
+  VSwitch:
+    Type: ALIYUN::ECS::VSwitch
+    Properties:
+      ZoneId:
+        Ref: ZoneId
+      VpcId:
+        Ref: Vpc
+      CidrBlock: 192.168.0.0/24
+  SecurityGroup:
+    Type: ALIYUN::ECS::SecurityGroup
+    Properties:
+      VpcId:
+        Ref: Vpc
+  SecurityGroupIngress_80:
+    Type: ALIYUN::ECS::SecurityGroupIngress
+    Properties:
+      SecurityGroupId:
+        Ref: SecurityGroup
+      SourceCidrIp: 0.0.0.0/0
+      IpProtocol: tcp
+      NicType: intranet
+      PortRange: 80/80
+  InstanceGroup:
+    Type: ALIYUN::ECS::InstanceGroup
+    Properties:
+      VpcId:
+        Ref: Vpc
+      VSwitchId:
+        Ref: VSwitch
+      SecurityGroupId:
+        Ref: SecurityGroup
+      ImageId: centos_7_9
+      InstanceName: dify
+      InstanceType:
+        Ref: InstanceType
+      SystemDiskCategory:
+        Ref: SystemDiskCategory
+      Password:
+        Ref: InstancePassword
+      IoOptimized: optimized
+      MaxAmount: 1
+  DS_Instances:
+    Type: DATASOURCE::ECS::Instances
+    Properties:
+      InstanceIds:
+        Fn::GetAtt:
+        - InstanceGroup
+        - InstanceIds
+  InstallDify:
+    Type: ALIYUN::ECS::RunCommand
+    Properties:
+      InstanceIds:
+        Fn::GetAtt:
+        - InstanceGroup
+        - InstanceIds
+      Type: RunShellScript
+      Sync: true
+      Timeout: 1800
+      CommandContent: |
+        #!/bin/bash
+        echo "#########################"
+        echo "# Install Docker"
+        echo "#########################"
+        wget -O /etc/yum.repos.d/docker-ce.repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
+        yum -y install docker-ce
+        systemctl start docker
+        systemctl enable docker
+
+        echo "#########################"
+        echo "# Install Dify"
+        echo "#########################"
+        yum -y install git
+        git clone --depth 1 https://github.com/langgenius/dify.git /opt/dify
+        cd /opt/dify/docker
+        docker compose up -d
+        docker compose ps
+Outputs:
+  DifyUrl:
+    Description: Dify default address.
+    Value:
+      Fn::Sub:
+      - http://${IP}
+      - IP:
+          Fn::Jq:
+          - First
+          - if .[0].PublicIpAddress != [] then .[0].PublicIpAddress[0] else .[0].EipAddress.IpAddress
+            end
+          - Fn::GetAtt:
+            - DS_Instances
+            - Instances