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Easily deploy serverless Koa applications to Tencent Cloud with the Serverless Framework

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Serverless Koa Tencent Cloud

腾讯云 koa 组件

简介

koa 组件通过使用 serverless-tencent 的基础组件如 API 网关组件,SCF 组件等,快速,方便的在腾讯云创建,配置和管理一个 koa 框架

快速开始

通过 koa 组件,对一个 koa 应用进行完整的创建,配置,部署和删除等操作。支持命令如下:

 

  1. 安装
  2. 创建
  3. 配置
  4. 部署
  5. 移除

 

1. 安装

通过 npm 安装 serverless

$ npm install -g serverless

2. 创建

本地创建 serverless.yml 文件和 app.js文件:

$ touch serverless.yml

初始化一个新的 npm 包,并安装 koa:

npm init              # 创建后持续回车
npm i --save koa  # 安装 koa

创建一个 app.js文件,并在其中创建您的 koa App:

$ touch app.js
const koa = require('koa');
const app = new koa();

app.use(async (ctx, next) => {
  if (ctx.path !== '/') return next();
  ctx.body = 'Hello from Koa';
});

// don't forget to export!
module.exports = app;

3. 配置

在 serverless.yml 中进行如下配置

# serverless.yml

koa:
  component: '@serverless/tencent-koa'
  inputs:
    region: ap-shanghai

4. 部署

如您的账号未登陆注册腾讯云,您可以直接通过微信扫描命令行中的二维码进行授权登陆和注册。

通过sls命令进行部署,并可以添加--debug参数查看部署过程中的信息

注:sls命令是serverless命令的缩写

$ sls --debug

  DEBUG ─ Resolving the template's static variables.
  DEBUG ─ Collecting components from the template.
  DEBUG ─ Downloading any NPM components found in the template.
  DEBUG ─ Analyzing the template's components dependencies.
  DEBUG ─ Creating the template's components graph.
  DEBUG ─ Syncing template state.
  DEBUG ─ Executing the template's components graph.
  DEBUG ─ Compressing function KoaComponent_7xRrrd file to /Users/dfounderliu/Desktop/temp/code/.serverless/KoaComponent_7xRrrd.zip.
  DEBUG ─ Compressed function KoaComponent_7xRrrd file successful
  DEBUG ─ Uploading service package to cos[sls-cloudfunction-ap-shanghai-code]. sls-cloudfunction-default-KoaComponent_7xRrrd-1572512568.zip
  DEBUG ─ Uploaded package successful /Users/dfounderliu/Desktop/temp/code/.serverless/KoaComponent_7xRrrd.zip
  DEBUG ─ Creating function KoaComponent_7xRrrd
  DEBUG ─ Created function KoaComponent_7xRrrd successful
  DEBUG ─ Starting API-Gateway deployment with name koa.TencentApiGateway in the ap-shanghai region
  DEBUG ─ Using last time deploy service id service-n0vs2ohb
  DEBUG ─ Updating service with serviceId service-n0vs2ohb.
  DEBUG ─ Endpoint ANY / already exists with id api-9z60urs4.
  DEBUG ─ Updating api with api id api-9z60urs4.
  DEBUG ─ Service with id api-9z60urs4 updated.
  DEBUG ─ Deploying service with id service-n0vs2ohb.
  DEBUG ─ Deployment successful for the api named koa.TencentApiGateway in the ap-shanghai region.

  koa:
    region:              ap-shanghai
    functionName:        KoaComponent_7xRrrd
    apiGatewayServiceId: service-n0vs2ohb
    url:                 http://service-n0vs2ohb-1300415943.ap-shanghai.apigateway.myqcloud.com/release/

  36s › koa › done

部署完毕后,可以在浏览器中访问返回的链接,看到对应的 koa 返回值。

5. 移除

通过以下命令移除部署的存储桶

$ sls remove --debug

  DEBUG ─ Flushing template state and removing all components.
  DEBUG ─ Removed function KoaComponent_MHrAzr successful
  DEBUG ─ Removing any previously deployed API. api-kf2hxrhc
  DEBUG ─ Removing any previously deployed service.  service-n0vs2ohb

  13s › koa › done

账号配置(可选)

当前默认支持 CLI 扫描二维码登录,如您希望配置持久的环境变量/秘钥信息,也可以本地创建 .env 文件

$ touch .env # 腾讯云的配置信息

.env 文件中配置腾讯云的 SecretId 和 SecretKey 信息并保存

如果没有腾讯云账号,可以在此注册新账号

如果已有腾讯云账号,可以在API 密钥管理中获取 SecretIdSecretKey.

# .env
TENCENT_SECRET_ID=123
TENCENT_SECRET_KEY=123

还支持哪些组件?

可以在 Serverless Components repo 中查询更多组件的信息。

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