Micro

Frontends

@anfibiacreativa

Security

Performance

Frontend

@anfibiacreativa

Accessibility

INFRASTRUCTURE

Cloud

JAMStack

SSR

Micro Frontends

Integrations

BFF

@anfibiacreativa

INFRASTRUCTURE

Cloud

JAMStack

SSR

Micro Frontends

Integrations

BFF

Web Components

iFrames

Continous

Integration

Continous

Deployment

Web Hooks

Module

Federation

@anfibiacreativa

INFRASTRUCTURE

Cloud

JAMStack

SSR

Micro Frontends

Integrations

BFF

Web Components

iFrames

Continous

Integration

Continous

Deployment

Web Hooks

Module

Federation

RIA

CSS

Frameworks

JS

Frameworks

Modularization

JS/CSS

Frontend

Setup

Frontend

Build

@anfibiacreativa

INFRASTRUCTURE

Cloud

JAMStack

SSR

Micro Frontends

Integrations

BFF

Web Components

iFrames

Continous

Integration

Continous

Deployment

Web Hooks

Module

Federation

CSS

Frameworks

JS

Frameworks

Modularization

JS/CSS

Frontend

Setup

Unit Testing

Cross-Browser

Support

Frontend

Build

Standards

ECMAScript

Spec

E2E

Protocols

Browser as

API

@anfibiacreativa

RIA

INFRASTRUCTURE

Cloud

JAMStack

SSR

Micro Frontends

Integrations

BFF

Web Components

iFrames

Continous

Integration

Continous

Deployment

Web Hooks

Module

Federation

CSS

Frameworks

JS

Frameworks

Modularization

JS/CSS

Frontend

Setup

Unit Testing

Cross-Browser

Support

Frontend

Build

Standards

ECMAScript

Spec

E2E

Protocols

Browser as

API

Authentication

REST

GraphQL

Security

REST

Tokens

Content

Security Policy

@anfibiacreativa

RIA

INFRASTRUCTURE

Cloud

JAMStack

SSR

Micro Frontends

Integrations

BFF

Web Components

iFrames

Continous

Integration

Continous

Deployment

Web Hooks

Module

Federation

CSS

Frameworks

JS

Frameworks

Modularization

JS/CSS

Frontend

Setup

Unit Testing

Cross-Browser

Support

Frontend

Build

Standards

ECMAScript

Spec

E2E

Protocols

Browser as

API

Authentication

REST

GraphQL

Security

REST

Tokens

Content

Security Policy

CORS

XSS

Data Storage

Clientside

Cookies

Fingerprinting

@anfibiacreativa

RIA

INFRASTRUCTURE

Cloud

JAMStack

SSR

Micro Frontends

Integrations

BFF

Web Components

iFrames

Continous

Integration

Continous

Deployment

Web Hooks

Module

Federation

CSS

Frameworks

JS

Frameworks

Modularization

JS/CSS

Frontend

Setup

Unit Testing

Cross-Browser

Support

Frontend

Build

Standards

ECMAScript

Spec

E2E

Protocols

Browser as

API

Authentication

REST

GraphQL

Security

REST

Tokens

Content

Security Policy

CORS

XSS

Data Storage

Clientside

Cookies

Fingerprinting

Troubleshooting

Debugging

Source Maps

@anfibiacreativa

RIA

INFRASTRUCTURE

Cloud

JAMStack

SSR

Micro Frontends

Integrations

BFF

Web Components

iFrames

Continous

Integration

Continous

Deployment

Web Hooks

Module

Federation

CSS

Frameworks

JS

Frameworks

Modularization

JS/CSS

Frontend

Setup

Unit Testing

Cross-Browser

Support

Frontend

Build

Standards

ECMAScript

Spec

E2E

Protocols

Browser as

API

Authentication

REST

GraphQL

Security

REST

Tokens

Content

Security Policy

CORS

XSS

Data Storage

Clientside

Cookies

Fingerprinting

Troubleshooting

Debugging

Source Maps

Performance

Observability

Error Handling

UX

URL Design

Design Patterns

@anfibiacreativa

RIA

Infrastructure

Data Storage

Business Logic

Frontend

@anfibiacreativa

Data Access

@anfibiacreativa

Image: Frank Vessia unsplash.com

Sources: archive.fo, archive.org

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
        "http://www.w3.org/TR/html4/strict.dtd">
<HTML>
  <HEAD>
    <TITLE>The document title</TITLE>
  </HEAD>
  <BODY>
  	<IMG src="logo.gif" ALT="Logo">
    <H1>Main heading</H1>
    <P style="color: grey;">A paragraph.</P>
    <P style="color: green; font-style: italic;">Another paragraph.</P>
    <P id="hello" style="color: red;"></P>
   	<script>
      function myFunction() {
          document.getElementById("hello").innerHTML = "Hello World";
      }
	</script>
    <A HREF="#" onclick="myFunction()">Click me</button>
    <UL>
      <LI>A list item.</LI>
      <LI>Another list item.</LI>
      <LI>
    </UL>
  </BODY>
</HTML>

@anfibiacreativa

Graphics: https://www.flaticon.com/authors/smashicons at www.flaticon.com

@anfibiacreativa

Graphics: https://www.flaticon.com/authors/smashicons at www.flaticon.com

@anfibiacreativa

Graphics: https://www.flaticon.com/authors/smashicons at www.flaticon.com

@anfibiacreativa

Graphics: https://www.flaticon.com/authors/smashicons at www.flaticon.com

@anfibiacreativa

Image: John Thomas | unsplash.com

Frontend

@anfibiacreativa

Client-side

Server-side

Infrastructure

Data Storage

Business Logic

Data Access

Infrastructure

Data Storage

Business Logic

Data Access

Infrastructure

Data Storage

Business Logic

Data Access

Infrastructure

Data Storage

Business Logic

Data Access

@anfibiacreativa

Decoupling

(or loosely coupling)

Frontend

@anfibiacreativa

Client-side

Server-side

Infrastructure

Data Storage

Business Logic

Data Access

Infrastructure

Data Storage

Business Logic

Data Access

Infrastructure

Data Storage

Business Logic

Data Access

@anfibiacreativa

Independent

Deployability

@anfibiacreativa

1

2

3

@anfibiacreativa

Graphics: https://www.flaticon.com/authors/smashicons at www.flaticon.com

base branch

feature/1

feature/2

feature/3

release

hotfix/1

@anfibiacreativa

1

2

3

@anfibiacreativa

Graphics: https://www.flaticon.com/authors/smashicons at www.flaticon.com

1

2

3

@anfibiacreativa

Graphics: https://www.flaticon.com/authors/smashicons at www.flaticon.com

Business Capability

Independent Team

Fail Silently

@anfibiacreativa

Image: Jason Hogan | unsplash.com

Image: Kelly Sikkema | unsplash.com

Orchestration

@anfibiacreativa

Composition

Routing

Communication

@anfibiacreativa

Micro Frontends

Techniques

Image: Danilo Alvesd | unsplash.com

Level of Encapsulation Required

security

code

more concerns

less concerns

more encapsulated

less encapsulated

@anfibiacreativa

performance

code

more budget

less budget

more encapsulated

less encapsulated

@anfibiacreativa

Level of

Encapsulation

High

Hyperlinks

Iframes

ES Imports

Web

Components

High

Low

Medium*

Depends on the use of Shadow DOM*

Container

@anfibiacreativa

AppShell

iFrame

Hyperlink

1

2

3

@anfibiacreativa

0 API First

Pattern

@anfibiacreativa

history.postState()

Style

System

@anfibiacreativa

Commons/Shared

Strategy

@anfibiacreativa

Mono

Repositories

Dependencies (Libraries, Framework, other Utils)

Projects (Apps)

@anfibiacreativa

Component1

Component2

Component3

JS Commons

@anfibiacreativa

Load eagerly

Load Lazily

Above the Fold

Below the Fold

State

Management

@anfibiacreativa

Emoji Icon: https://www.flaticon.com/authors/vectors-market at www.flaticon.com

Graphics: https://www.flaticon.com/authors/smashicons at www.flaticon.com

Pub/Sub

@anfibiacreativa

Component

iFrame

WebComponent

Pub/Sub

LocalStorage

input

event=`topic`

publish(event)

subscribe(event, callback)

Micro Frontends

When/What?

backend

release cycles

more monolithic

less monolithic

more frequent

less frequent

@anfibiacreativa

team

deployability

more independent

less independent

more independent

less independent

@anfibiacreativa

team size

dynamic content

large

small

more

less

@anfibiacreativa

can use module federation

apps size

more likely

large

small

@anfibiacreativa

less likely

want to stick to a technology/pattern

have a style guide

more likely

no

yes

@anfibiacreativa

less likely

Browser

Support

Sources: caniuse.com

@anfibiacreativa

Image: Lucas Godina | unsplash.com

UX

Performance

@anfibiacreativa

Core Web Vitals

CSR

Runtime

FAST

SLOW

First Paint

First Contentful Paint

Time to First Byte

Time to Interactive

CLIENT

takes care of the logic, the routing, data fetching and logical operations

FAST

FAST

SSR

SERVER-Side + CSR

FAST

SLOW

First Paint

First Contentful Paint

Time to First Byte

Time to Interactive

SERVER

takes care of the logic, the routing, data fetching and logical operations

FAST

FAST

Special infra/State State Duplication

SSG

Buildtime

FAST

RÁPIDO

SLOW

First Paint

First Contentful Paint

Time to First Byte

HTML Generation

Time to First Byte

Time to Interactive

COMPILER

takes care of the logic, the routing, data fetching and logical operations

FAST

FAST

FAST

All assets should be pre-built

and pre-rendered

and served via

CDN

Deploys should be atomic

as a full snapshot

Cache should be invalidated

after each deploy

Everything lives in GIT

(version control)

Builds are automated

(CD/CI)

Module

Federation

1

2

3

@anfibiacreativa

0

REMOTE

HOST

const ModuleFederationPlugin = require("webpack/lib/container/ModuleFederationPlugin");

    module.exports = {
      output: {
        uniqueName: "host_name"
      },
      plugins: [
        new ModuleFederationPlugin({
          name: "host",
          remotes: {
            'remote1': "remote1" 
          },
          library: { type: "var", name: "host_name" },
          filename: "remoteEntry.js",
          shared: [
          // other advanced options include requiredVersion, shareScope, etc
          	"@anfibiacreativa/styles/styles.css",
          	{"@angular/core": { singleton: true, strictVersion: true }},
            {"@angular/common": { singleton: true, strictVersion: true }},
            {"@angular/router": { singleton: true, strictVersion: true }}
          ]       
        })
      ],
    };

const ModuleFederationPlugin = require("webpack/lib/container/ModuleFederationPlugin");

    module.exports = {
      output: {
        publicPath: "http://localhost:4201/",
        uniqueName: "remote1"
      },
      plugins: [
        new ModuleFederationPlugin({
          name: "remote1",
          remotes: {
          },
          library: { type: "var", name: "remote1" },
          filename: "remoteEntry.js",
          exposes: {
              './Module': './src/app/remote1/remote1.module.ts',
          },
          shared: ["@angular/core", "@angular/common", "@angular/router"]       
        })
      ],
    };

@anfibiacreativa

Remote

shareScope

Host Runtime

Container

provided modules

exposed modules

consumed modules

version check

version def

Image: Noah Buscher| unsplash.com

E2E

Testing

Spasibo!

Natalia Venditto

Images: Unsplash.com | Icons and graphics: flaticons.com

https://www.flaticon.com/authors/smashicons

https://www.flaticon.com/authors/monkik

@anfibiacreativa

https://www.flaticon.com/authors/freepik

https://www.flaticon.com/authors/vitaly-gorbachev