nirsky

const items = [{ key: 'a', value: 1 }, { key: 'a', value: 2 }, { key: 'b', value: 3 }, { key: 'b', value: 4 }];

const hashMap = items.reduce((acc, current) => {
    if (!acc[current.key]) acc[current.key] = [];
    acc[current.key].push(current.value);
    return acc;
}, {});

console.log(hashMap); // { a: [ 1, 2 ], b: [ 3, 4 ] }

nirsky

import { APIGatewayEvent, Context } from 'aws-lambda';
import { doSomething } from './utils';

export const handler = async (event: APIGatewayEvent, context: Context) => { 
    doSomething();
    // Do some other stuff...
}

nirsky

{
  "compilerOptions": {
    "module": "commonjs",
    "target": "ES2017",
    "lib": ["ES2019"],
    "rootDir": "src",
    "outDir": "dist",
    "declaration": false, 
    "sourceMap": false,
    "inlineSources": false,

nirsky

name: Deploy

on:
  push:
    branches: [ master ]

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:

nirsky

const { NodeTracerProvider } = require("@opentelemetry/node");

const provider = new NodeTracerProvider({
  plugins: {
    "aws-sdk": {
      enabled: true,
      path: "opentelemetry-plugin-aws-sdk",
    }
  }
});

nirsky

import { Ec2TaskDefinition, Scope, ContainerDefinition } from '@aws-cdk/aws-ecs';

// Create TaskDefinition
const taskDefinition = new Ec2TaskDefinition(...);

// Add EBS volume, this will also create the volume 
// Look here to understand all the options:
// https://docs.aws.amazon.com/AmazonECS/latest/developerguide/docker-volumes.html
const VOLUME_NAME = 'my-ebs-volume';
taskDefinition.addVolume({

nirsky

import { Policy, PolicyStatement } from '@aws-cdk/aws-iam';

// Give our EC2 instance the needed permissions to manage EBS
const ec2PolicyEbs = new Policy(stack, 'ec2-policy-create-ebs', {
  policyName: 'REXRay-EBS',
  statements: [
    PolicyStatement.fromJson({
      Effect: 'Allow',
      Action: [
        'ec2:AttachVolume',

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// Make sure to set the right EBS_REGION
autoScalingGroup.addUserData('docker plugin install rexray/ebs REXRAY_PREEMPT=true EBS_REGION=eu-west-1 --grant-all-permissions \nstop ecs \nstart ecs');

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// Create your ECS cluster, don't use the capacity option.
// We will add it in a different statement so we can keep the returned AutoScalingGroup
const ecsCluster = new ecs.Cluster(this, 'ecs-cluster', {
    vpc: myVPC,
    clusterName: 'my-cluster',
    // ...other props
});

const autoScalingGroup: AutoScalingGroup = ecsCluster.addCapacity('cluster-capacity', {
    instanceType: InstanceType.of(InstanceClass.T2, InstanceSize.LARGE),

nirsky

// node-handler.js
export const handle = () => { 
  eval('require')('fs').readFileSync(...);
  ...
};

// browser-handler.js
export const handle = () => { ... };

// index.js