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Quick start
Serverless Devs quick start
2
Overview

Quick Start

This quick start case takes Alibaba Cloud Function Computing as an example to quickly start with Serverless Devs(Of course, Serverless Devs also supports AWS Lambda, Baidu Cloud Function Computing, Huawei Cloud Function Workflow , Tencent Cloud Function and many other cloud vendors’ FaaS platforms. For details):

Tool installation

  • Step 1: Install Node.js (>=10.8.0) and NPM package management tool;
  • Step 2: Install Serverless Devs developer tools; 
    $ npm install @serverless-devs/s -g
  • Step 3: You can use s -v to judge whether the tool is installed successfully. If the installation is successful, you can see the corresponding version information, for example: 
    @serverless-devs/s: 2.1.2, core: 0.1.41, s-home: /Users/xxx/.s, darwin-x64, node-v17.7.1

Key Configuration

Since this quick start document will take Alibaba Cloud Function Computing as an example, the password configuration here is also based on Alibaba Cloud password configuration:

  • Open Get AccountId Page to obtain AccountId: Get AccountId Page

  • Open Get Key Page to obtain key: Get Key Page

  • Execute s config add and select Alibaba Cloud (alibaba):

    $ s config add 
? Please select a template: Alibaba Cloud (alibaba)
🧭 Refer to the document for alibaba key:  http://config.devsapp.net/account/alibaba
? AccountID ()

  • At this point, you can follow the instructions to configure the key:

    ? Please select a template: Alibaba Cloud (alibaba)
🧭 Refer to the document for alibaba key:  http://config.devsapp.net/account/alibaba
? AccountID Fill in AccountID here
? AccessKeyID Fill in AccessKeyID here
? AccessKeySecret Fill in AccessKeySecret here
? Please create alias for key pair. If not, please enter to skip alibaba-access

    Alias: alibaba-access
    AccountID: Fill in AccountID here
    AccessKeyID: Fill in AccessKeyID here
    AccessKeySecret: Fill in AccessKeySecret here

Configuration successful

  • In order to verify whether the password is correctly configured, you can view the specified password through s config get -a alibaba-access:

    $ s config get -a alibaba-access
[2021-10-27T17:39:39.881] [INFO ] [S-CLI] - 

alibaba-access:
  AccountID: *******ID
  AccessKeyID: *********ID
  AccessKeySecret: *************key

AccessKey is the key for your cloud account to access the Alibaba Cloud API. It has full permissions for the account. Please keep it safe! Do not share AccessKey to external channels in any way (eg Github) to avoid being used by others to cause security threat.
Strongly recommended that you follow the Alibaba Cloud Security Best Practices and use the RAM sub-user AccessKey to make API calls.

Get started experience

Serverless：Hello World

  • Execute the s command:

    $ s
? No Serverless-Devs project is currently detected. Do you want to create a new project? (Y/n)

  • Fill in y and press Enter to enter the creation guide section:

    🚀 More applications: https://registry.serverless-devs.com

? Hello Serverless for Cloud Vendors (Use arrow keys or type to search)
❯ Alibaba Cloud Serverless 
  AWS Cloud Serverless 
  Baidu Cloud Serverless 
  Huawei Cloud Serverless 
  Tencent Cloud Serverless 
  Dev Template for Serverless Devs

  • At the same time, you only need to select the corresponding option and follow the instructions. For example, if you select Alibaba Cloud Serverless, you can see the classification of application templates under Alibaba Cloud Serverless products:

     ? Hello, serverlesser. Which template do you like? (Use arrow keys or type to search)
 ❯ Quick start [Deploy a Hello World function to FaaS]
   Container example [Deploy function to FaaS with custom-container]
   Web Framework [Deploy a web framework to FaaS]
   Static website [Deploy a static website]
   Best practice [Experience serverless project]

  • At this time, you can continue to select specific applications under a certain category for initialization. For example, after selecting fc-runtime-starter, you can see the specific template applications under that category:

    ? Which template do you like? (Use arrow keys or type to search)
❯ [HTTP] Node.js 14  - Quickly deploy a nodejs14 http function
  [HTTP] Python3     - Quickly deploy a  python3 http function 
  [HTTP] Java8       - Quickly deploy a  java8 http function 
  [HTTP] PHP7        - Quickly deploy a  php7 http function 
  [HTTP] C++ (custom)- Quickly deploy a  C++ http function 
  [Event] Node.js 14 - Quickly deploy a  nodejs14 event function
  [Event] Python3    - Quickly deploy a  python3 event function
  ... ...

    Select [HTTP] Node.js 14 to complete the creation. During the boot process, the process of filling in the project name and selecting the key may appear:

    • The project name can be: start-fc-http-nodejs14
    • The region name can be: cn-hangzhou
    • The service name can be： hello-world-service
    • The function name can be： start-fc-http-nodejs14
    • The key can be the one we created above: alibaba-access

    E.g:

     🚀  More applications: https://registry.serverless-devs.com

 ? Hello Serverless for Cloud Vendors Alibaba Cloud Serverless
 ? Hello, serverlesser. Which template do you like? Quick start [Deploy a Hello World function to FaaS]
 ? Which template do you like? [HTTP] Node.js 14

 😋  Create application command: [s init devsapp/start-fc-http-nodejs14]

 ? Please input your project name (init dir) start-fc-http-nodejs14
 ✔ file decompression completed

 Serverless Devs Application Case

     Cloud services required：
     - FC : https://fc.console.aliyun.com/
 
     Tips：
     - FC Component: https://www.serverless-devs.com/fc/readme
 创建应用所在的地区
 ? 地域 cn-hangzhou
 服务名称，只能包含字母、数字、下划线和中划线。不能以数字、中划线开头。长度在 1-128 之间
 ? 服务名 hello-world-service
 函数名称，只能包含字母、数字、下划线和中划线。不能以数字、中划线开头。长度在 1-64 之间
 ? 函数名 start-fc-http-nodejs14
 ? please select credential alias alibaba-access

     * Before using, please check whether the actions command in Yaml file is available
     * Carefully reading the notes in s.yaml is helpful for the use of the tool
     * If need help in the use process, please apply to join the Dingtalk Group: 33947367


 🏄‍  Thanks for using Serverless-Devs
 👉  You could [cd /Users/nanxuanli/work/demo/devs/start-fc-http-nodejs14] and enjoy your serverless journey!
 🧭️  If you need help for this example, you can use [s -h] after you enter folder.
 💞  Document ❤ Star: https://github.com/Serverless-Devs/Serverless-Devs
 🚀  More applications: https://registry.serverless-devs.com

 ? Do you want to deploy the project immediately? (Y/n)

  • The system has a reminder at the end whether you want to deploy the project. At this time, you can enter y to directly deploy the project. After a while, you can see the deployment result:

    helloworld: 
  region:   cn-hangzhou
  service: 
    name: hello-world-service
  function: 
    name:       start-fc-http-nodejs14
    runtime:    nodejs14
    handler:    index.handler
    memorySize: 128
    timeout:    60
  url: 
    system_url:    https://start-fp-nodejs-hello-w-service-uxcvfbhdii.cn-hangzhou.fcapp.run
    custom_domain: 
      - 
        domain: http://start-fc-http-nodejs14.hello-world-service.1816647648916833.cn-hangzhou.fc.devsapp.net
  triggers: 
    - 
      type: http
      name: httpTrigger

    At this point, you can open the domain name returned to us by domain for testing.

AI：Target Detection

  • Execute the command s init devsapp/image-prediction-app to initialize an existing artificial intelligence target detection project. During this process, the process of filling in the project name and selecting the key may appear:

    • The project name can be: image-prediction-app
    • The key can be the one we created above: alibaba-access

    E.g:

    $ s init devsapp/image-prediction-app

🚀 Serverless Awesome: https://github.com/Serverless-Devs/package-awesome

? Please input your project name (init dir) image-prediction-app
✔ file decompression completed
? please select credential alias alibaba-access

     ___   __   __  _______  _______  _______ 
    |   | |  |_|  ||   _   ||       ||       |
    |   | |       ||  |_|  ||    ___||    ___|
    |   | |       ||       ||   | __ |   |___ 
    |   | |       ||       ||   ||  ||    ___|
    |   | | ||_|| ||   _   ||   |_| ||   |___ 
    |___| |_|   |_||__| |__||_______||_______|
                                        

    Welcome to the image-prediction-app application
     This application requires to open these services: 
         FC : https://fc.console.aliyun.com/
     This application can help you quickly deploy the image-prediction-app project.
     The application uses FC component：https://github.com/devsapp/fc
     The application homepage: https://github.com/devsapp/image-prediction-app


🏄‍ Thanks for using Serverless-Devs
👉 You could [cd /Users/jiangyu/start-application/image-prediction-app] and enjoy your serverless journey!
🧭️ If you need help for this example, you can use [s -h] after you enter folder.
💞 Document ❤ Star：https://github.com/Serverless-Devs/Serverless-Devs

  • Enter the project directory: cd image-prediction-app

  • Execute the deploy command to deploy the project:

    Tips for next step
======================
* Display information of the deployed resource: s info
* Display metrics: s metrics
* Display logs: s logs
* Invoke remote function: s invoke
* Remove Service: s remove service
* Remove Function: s remove function
* Remove Trigger: s remove trigger
* Remove CustomDomain: s remove domain



imageAi: 
  region: cn-hangzhou
  url: 
    custom_domain: 
      - 
        domain: http://server.ai-cv-image-prediction.1583208943291465.cn-hangzhou.fc.devsapp.net

  • At this point, you can open the test domain name assigned by the system and upload a picture for testing: Pic.alt

Traditional framework based on django blog project

  • Execute the s init django-blog command to initialize an existing Django-based blog project. During the initialization process, the process of filling in the project name and selecting the key may appear:

    • The project name can be: django-blog
    • The key can be the one we created above: alibaba-access

    E.g:

    $ s init django-blog

🚀 Serverless Awesome: https://github.com/Serverless-Devs/package-awesome

? Please input your project name (init dir) django-blog
✔ file decompression completed
? please select credential alias alibaba-access

     ______       ___  _______  __    _  _______  _______  _______  ___      _______  _______ 
    |      |     |   ||   _   ||  |  | ||       ||       ||  _    ||   |    |       ||       |
    |  _    |    |   ||  |_|  ||   |_| ||    ___||   _   || |_|   ||   |    |   _   ||    ___|
    | | |   |    |   ||       ||       ||   | __ |  | |  ||       ||   |    |  | |  ||   | __ 
    | |_|   | ___|   ||       ||  _    ||   ||  ||  |_|  ||  _   | |   |___ |  |_|  ||   ||  |
    |       ||       ||   _   || | |   ||   |_| ||       || |_|   ||       ||       ||   |_| |
    |______| |_______||__| |__||_|  |__||_______||_______||_______||_______||_______||_______|
                                        

    Welcome to the django-blog application
     This application requires to open these services: 
         FC : https://fc.console.aliyun.com/
     This application can help you quickly deploy the django-blog project.
     The application uses Django component：https://github.com/devsapp/django
     The application homepage: https://github.com/devsapp/django-blog
     
     * Python 3.7 is recommended;
     * If the version is greater than Python 3.7: 
        * Operation error: ImportError: cannot import name 'metadata' from 'importlib', you can refer to: https://stackoverflow.com/questions/59216175/importerror-cannot-import-name-metadata-from-importlib
     * Default information:
        * Admin：/admin
        * Default Admin Username: blog
        * Default Admin Password: myblog12345!     
     


🏄‍ Thanks for using Serverless-Devs
👉 You could [cd /Users/jiangyu/django-blog] and enjoy your serverless journey!
🧭️ If you need help for this example, you can use [s -h] after you enter folder.
💞 Document ❤ Star：https://github.com/Serverless-Devs/Serverless-Devs

  • Enter the project directory: cd django-blog

  • Execute the deploy command to deploy the project:

    Tips for next step
======================
* Invoke remote function: s invoke
✔ Try container acceleration
djangoBlog: 
  region:        cn-shenzhen
  serviceName:   serverless-devs-django
  functionName:  django
  customDomains: 
    - http://django.serverless-devs-django.1583208943291465.cn-shenzhen.fc.devsapp.net

  • At this point, you can open the test domain name assigned by the system and upload a picture for testing: Pic.alt