AWS Lambda in TypeScript and MongoDB

Features

Setup

npm install

Run unit tests

npm test

Build

npm run build

Start on local

npm start

Environment variable

serverless read env variables from env files. There 3 env files in project with 3 stages: local, development and production

env.local.yml
env.development.yml
env.production.yml

you should find the format file as below

env.local.yml

MONGODB_URL: mongodb://localhost:27017/aws-lambda
<variable name>: <value>

User Roles

You may have many roles in your project: user, moderator and admin. You may define your role policies in shared/Policies.ts

export default [
  {
    roles: ['user'],
    resources: '/users/profile',
    permissions: 'GET'
  }
];

Deploy to aws lambda services

We need aws credential to deploy our aws-lambda functions to aws services.

NOTE:

update your MONGODB_URI at env.development.yml and env.production.yml

• Generate aws_access_key_id & aws_secret_access_key from your aws account

• Add aws credential to your local

  $ vim  ~/.aws/credentials
  
  [your profile]
  aws_access_key_id=XXXXXXXXXXXXXX
  aws_secret_access_key=XXXXXXXXXXXXXXXXXXX
  region=us-east-1

• Deploy in development: AWS_PROFILE=<your profile> npm run deploy
• Deploy in production: AWS_PROFILE=<your profile> npm run deploy:prod