mikaelvesavuori

import fetch from 'node-fetch';

/**
 * @description Get flags from AWS AppConfig.
 *
 * Flags and configuration is handled manually in the GUI.
 *
 * Environment variables and such config are still done in `serverless.yml` as usual.
 *
 * @see https://aws.amazon.com/blogs/mt/using-aws-appconfig-feature-flags/

mikaelvesavuori

Links

Architecture

• Approaches for authenticating external applications in a machine-to-machine scenario | AWS Security Blog
• Architecture Worksheet Downloads | Developer to Architect | Mark Richards
• Awesome DDD
• Awesome EventStorming
• Awesome Software Architecture
• AWS Observability Best Practices

mikaelvesavuori

import React, { useEffect } from 'react';
import mermaid from 'mermaid';
import { Service, Event } from '@eventcatalog/types';
import { buildMermaidFlowChartForEvent, buildMermaidFlowChartForService } from '@/lib/graphs';

mermaid.initialize({
  startOnLoad: true,
  theme: 'forest',
  securityLevel: 'loose',
  flowchart: {

mikaelvesavuori

{
  "asyncapi": "2.4.0",
  "info": {
    "title": "User Service",
    "version": "1.0.0",
    "contact": {
      "name": "Sam Person",
      "url": "https://acmecorp.com/docs#owner",
      "email": "[email protected]"
    },

mikaelvesavuori

{
  "asyncapi": "2.4.0",
  "info": {
    "title": "Greet Service",
    "version": "1.0.0",
    "contact": {
      "name": "John Doe",
      "url": "https://acmecorp.com/docs#owner",
      "email": "[email protected]"
    },

mikaelvesavuori

// See: https://www.digitalocean.com/community/tutorials/how-to-use-generics-in-typescript

type StarWarsApiResponse = {
  name: string;
  rotation_period: string;
  orbital_period: string;
  diameter: string;
  climate: string;
  gravity: string;
  terrain: string;

mikaelvesavuori

type Dog = {
  name: string;
  race: RacesLimitedList;
};

type RacesFullList = 'Alsatian' | 'Pomeranian';
type RacesLimitedList = Exclude<RacesFullList, 'Pomeranian'>;

const dog: Dog = {
  name: 'Sam',

mikaelvesavuori

export const assertions = [
  {
    name: 'It should DO SOMETHING',
    payload: {
      method: 'POST',
      path: 'DoSomething',
      headers: {
        'X-Client-Version': 1
      },
      body: {

mikaelvesavuori

import {
  Event,
  EventEmitter,
  DomainEventPublisher,
  DomainEventPublisherDependencies
} from './interfaces';

/**
 * @description Service to publish domain events.
 *

mikaelvesavuori

const emfLog = {
  message: '[Embedded Metric]',
  status_code: `200`,
  status_code_count: 1,
  _aws: {
    Timestamp: Date.now(),
    CloudWatchMetrics: [
      {
        Namespace: 'AWS EMF demo: Status codes',
        Dimensions: [['status_code']],