nathanpeck

FROM node:9 AS build
WORKDIR /srv
ADD package.json .
RUN npm install

FROM node:9-slim
COPY --from=build /srv .
ADD . .
EXPOSE 3000
CMD ["node", "index.js"]

nathanpeck

// Create a lambda that recrawls changelogs discovered in the past
const recrawlLambda = new lambda.Function(this, 'recrawl', {
  runtime: lambda.Runtime.NodeJS810,
  handler: 'recrawl.handle',
  code: lambda.Code.asset('./app/recrawl'),
  timeout: 360,
  environment: {
    CHANGELOGS_TABLE_NAME: props.changelogsTable.tableName,
    DISCOVERED_TOPIC_NAME: props.toCrawlTopic.topicArn
  }

nathanpeck

const cluster = require('cluster');
const numWorkers = 4;
let totalTrials = 0;
const numOpsToRunPerTrial = 5000000;

if (cluster.isMaster) {
  console.log(`Master ${process.pid} is running`);

  // Fork workers.
  for (let i = 0; i < numWorkers; i++) {

nathanpeck

{
  "version": "0",
  "id": "16bd6507-21ed-3ab0-78d1-f0c546ba54c2",
  "detail-type": "ECS Task State Change",
  "source": "aws.ecs",
  "account": "209640446841",
  "time": "2019-05-31T19:17:34Z",
  "region": "us-east-2",
  "resources": [
    "arn:aws:ecs:us-east-2:209640446841:task/344b1ff0-b9c8-43d6-b7ba-73eccaae0f66"

nathanpeck

<template>
  <div class="hello">
    <h1>Tasks</h1>
    <div class="task-list" v-if="tasks">
      <div v-for="task in tasks.items" v-bind:key='task.id'>
        {{ task.clusterArn }} <br />
        {{ task.id }} <br /><br />
        {{ task.lastStatus }} <br /><br />
        {{ task.desiredStatus }} <br /><br />
      </div>

nathanpeck

import AWS = require('aws-sdk');
const ecs_sdk = new AWS.ECS();

function chunk(array: Array<any>, size: number) {
  const chunked_arr = [];
  for (let i = 0; i < array.length; i++) {
    const last = chunked_arr[chunked_arr.length - 1];
    if (!last || last.length === size) {
      chunked_arr.push([array[i]]);
    } else {

nathanpeck

import dynamoStore = require('dynamodb-datastore');
import cdk = require('@aws-cdk/core');
import lambda = require('@aws-cdk/aws-lambda');

const app = new cdk.App();

class MyStack extends cdk.Stack {
  constructor(scope: cdk.App, id: string, props?: cdk.StackProps) {
    super(scope, id, props);

nathanpeck

TargetGroup:
  Type: AWS::ElasticLoadBalancingV2::TargetGroup
  Properties:
    HealthCheckIntervalSeconds: 6
    HealthCheckPath: /
    HealthCheckProtocol: HTTP
    HealthCheckTimeoutSeconds: 5
    HealthyThresholdCount: 2
    TargetType: ip
    Name: !Ref 'ServiceName'

nathanpeck

export class Service extends cdk.Construct implements ServiceInterface {
  public addons: Map<string, ServiceAddon>;
  protected taskDefinition: ecs.Ec2TaskDefinition;
  protected service: ecs.Ec2Service;
  readonly scope: cdk.Stack;
  readonly id: string;
  readonly vpc: ec2.Vpc;
  readonly cluster: ecs.Cluster;

  constructor(scope: cdk.Stack, id: string, props: ServiceProps) {

nathanpeck

The information below was written in Oct 2017. In August 2019 AWS launched official support for multiple target groups per AWS ECS service. Please use that feature instead!

---

Unfortunately as of writing this (Oct 18, 2017) there is no built in integration for multiple target groups per AWS ECS service. Here are a few things you can try:

1. If your application just serves port 80 (HTTP) & port 443 (HTTPS) then you should consider using the application load balancer and terminating SSL at the load balancer. This will allow your application to function using just port 80.