Micro

Frontends

@anfibiacreativa

@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

Integration

Continous

Deployment

Web Hooks

Web Hooks

Module

Federation

@anfibiacreativa

INFRASTRUCTURE

Cloud

JAMStack

SSR

Micro Frontends

Integrations

BFF

Web Components

iFrames

Continous

Integration

Integration

Continous

Deployment

Web Hooks

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

Integration

Continous

Deployment

Web Hooks

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

Integration

Continous

Deployment

Web Hooks

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

Integration

Continous

Deployment

Web Hooks

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

Integration

Continous

Deployment

Web Hooks

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

Integration

Continous

Deployment

Web Hooks

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

@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

@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)

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

@anfibiacreativa

can use module federation

apps size 
more likely
large
small

@anfibiacreativa

@anfibiacreativa

less likely
want to stick to a technology/pattern


have a style guide 
more likely
no
yes

@anfibiacreativa

@anfibiacreativa

less likely

Browser

Support

Sources: caniuse.com

Sources: caniuse.com

Sources: caniuse.com

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

REMOTE

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 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

Micro Frontends

By Natalia Venditto

Micro Frontends

  • 2,319