serverless.yml

service: cb-backend-boilerplate-lambda

parameters:
  region: ap-southeast-2
  path: &path /

provider:
  name: aws
  runtime: nodejs12.x
  stage: ${env:STAGE, 'staging'}
  region: ap-southeast-2
  versionFunctions: false
  logRetentionInDays: 3
  stackTags:
    SERVICE: ${self:service}
  deploymentBucket: "trm-deployments"

  environment:
    STAGE: ${self:provider.stage}
    REGION: ${self:provider.region}
    NODE_ENV: ${env:NODE_ENV}

plugins:
  - serverless-plugin-typescript
  - serverless-dotenv-plugin
  - serverless-pseudo-parameters
  - serverless-iam-roles-per-function
  - serverless-offline

package:
  individually: true

functions:
  signupAttempt:
    handler: src/subscribers/signupAttempt.handler
    name: ${self:service}-${self:provider.stage}-signupAttempt
    events:
      - http:
          path: signupAttempt
          method: get
      - sns:
          arn: arn:aws:sns:ap-southeast-2:131358606XXX:cb-user-dev
          filterPolicy:
            action: "signupAttempt" 
            resource: "few"
            
custom:
  serverless-offline:
    useChildProcesses: true

signupAttempt.ts

import * as _ from 'lodash'


export const handler = async (event) => {
  // dependencies work as expected
  console.log(_.VERSION)

  // async/await also works out of the box
  await new Promise((resolve, reject) => setTimeout(resolve, 500))

  return {
    statusCode: 200,
    body: JSON.stringify({
      message: Math.floor(Math.random() * 10) + 100,
      test: true,
    }),
  };
}