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开源软件介绍(OpenSource Introduction)：

Serverless, AWS, NestJS, GraphQL and DynamoDB starter

Description

A starter project that makes creating a deployable AWS Serverless project extremely easy.

Technologies

• AWS Lambda
• AWS DynamoDB
• Serverless
• NestJS
• NestJS GraphQL
• NestJS Dynamoose

Usage

git clone https://github.com/hardyscc/aws-nestjs-starter.git <Your_Project_Name>
cd <Your_Project_Name>

npm install

After that find and replace aws-nestjs-starter to your project name on the following files:

• package.json
• serverless.yml
• .env

Setup AWS Credentials

1. Sign up for an AWS account

2. Login to your AWS account and go to the Identity & Access Management (IAM) page.

3. Click on Users and then Add user. Enter a name in the first field to remind you this User is related to the Serverless Framework, like serverless-admin. Enable Programmatic access by clicking the checkbox. Click Next to go through to the Permissions page. Click on Attach existing policies directly. Search for and select AdministratorAccess then click Next: Review. Check to make sure everything looks good and click Create user.

4. View and copy the API Key & Secret to a temporary place. You'll need it in the next step.

Setup Workstation

Install AWS CLI

• Windows: choco install awscli
• MacOS: brew install awscli

Config AWS CLI

$ aws configure

AWS Access Key ID [****************TKYQ]:
AWS Secret Access Key [****************yNO2]:
Default region name [None]:
Default output format [None]:

Please enter your AWS Access Key ID and AWS Secret Access Key

Deployment

# deploy to AWS
$ npm run deploy

Local Offline Development

# install dynamodb local
$ npm run ddb:install

# start serverless-offline server
$ npm run sls:start

# start serverless-offline server and connect to online dynamodb
$ npm run sls:online

Local NestJS Development - (Optional)

# install dynamodb local
$ npm run ddb:install

# start dynamodb local
$ npm run ddb:start

# start local nestjs server
$ npm start

# start local nestjs server in watch mode
$ npm run start:watch

# start local nestjs server and connect to online dynamodb
$ npm run start:online

Tools

# re-generate the resources/dynamodb.yml from schemas
$ npm run genres

Unit Testing

# run unit test
$ npm test

# run unit test with coverage
$ npm run test:cov

E2E Testing

# start dynamodb local
$ npm run ddb:start

# run unit test with coverage
$ npm run test:e2e

GraphQL Endpoint Test

• offline: http://localhost:3000/dev/graphql
• local: http://localhost:3000/graphql
• AWS: https://<your_aws_deployment_id>.execute-api.<your_aws_region>.amazonaws.com/dev/graphql

mutation {
  createNotification(
    input: { targetId: "device1", userId: "user1", content: "Hello World" }
  ) {
    id
  }
}

query {
  notificationByUserId(userId: "user1") {
    id
    targetId
    userId
    content
    createAt
  }
}

query {
  notificationByTargetId(targetId: "device1") {
    id
    targetId
    userId
    content
    createAt
  }
}

mutation {
  updateNotification(
    id: "1ca7726e-0af8-4ff1-8ef1-4eae97377162"
    input: { status: Deleted }
  ) {
    id
    targetId
    userId
    content
    createAt
  }
}

RESTful Endpoint Test

Please remove /dev from path if test using local nestjs mode

curl -X POST 'http://localhost:3000/dev/notification' \
  -H 'Content-Type: application/json' \
  --data-raw '{ "targetId": "device1", "userId": "user1", "content": "Hello" }'

curl -X GET 'http://localhost:3000/dev/notification?targetId=device1'

curl -X GET 'http://localhost:3000/dev/notification?userId=user1'

curl -X PATCH 'http://localhost:3000/dev/notification/a30f7101-2434-4443-87fa-493c9d9d3358' \
  -H 'Content-Type: application/json' \
  --data-raw '{ "status": "Deleted" }'

Stay in touch

• Author - Hardys
• Twitter - @hardyscchk