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ERICKWENDEL

INDEPENDENTSOFTWARECONSULTANT
@ERICKWENDEL_|@ERICKWENDEL
WTF ARE SERVERLESS APPS ?
@erickwendel_
Estamos na era das palavras bonitas!
@erickwendel_
Sistemas Monolíticos
@erickwendel_
Microservices
@erickwendel_
Docker
@erickwendel_
Kubernetes
@erickwendel_
O que não é uma
aplicação Serverless?
@erickwendel_
Javascript
@erickwendel_
Tecnologia
@erickwendel_
Software as a Service
@erickwendel_
Microservices (depende)
@erickwendel_
Criar maquina e depois deletar
@erickwendel_
Pay-as-you-go
@erickwendel_
Pedaço de código gerenciado por
alguma plataforma
@erickwendel_
Trabalha a partir de eventos
@erickwendel_
Funções de curta duração
item.csv
id nome data_nasc
1 erickwendel 1995-04-25
2 aladin 2001-02-10
3 karen 2006-04-04
4 marina 1993-03-12
item.csv
id nome data_nasc
1 erickwendel 1995-04-25
2 aladin 2001-02-10
3 karen 2006-04-04
4 marina 1993-03-12
S3
connect-storage-talk
{
"bucket": {
"name": "connect-storage-talk"
},
"object": {
"key": "item.csv",
"size": 30236
}
}
{
"bucket": {
"name": "connect-storage-talk"
},
"object": {
"key": "item.csv",
"size": 30236
}
}
[
{ id: '1', nome: 'erickwendel', data_nasc: '1995-04-25' },
{ id: '2', nome: 'aladin', data_nasc: '2001-02-10' },
{ id: '3', nome: 'karen', data_nasc: '2006-04-04' },
{ id: '4', nome: 'marina', data_nasc: '1993-03-12' }
]
[
{ id: '1', nome: 'erickwendel', data_nasc: '1995-04-25' },
{ id: '2', nome: 'aladin', data_nasc: '2001-02-10' },
{ id: '3', nome: 'karen', data_nasc: '2006-04-04' },
{ id: '4', nome: 'marina', data_nasc: '1993-03-12' }
]
{ id: '1', nome: 'erickwendel', data_nasc: '1995-04-25' },
{ id: '2', nome: 'aladin', data_nasc: '2001-02-10' },
{ id: '3', nome: 'karen', data_nasc: '2006-04-04' },
{ id: '4', nome: 'marina', data_nasc: '1993-03-12' }
Simple Queue Service
{ id: '1', nome: 'erickwendel', data_nasc: '1995-04-25' },
{ id: '2', nome: 'aladin', data_nasc: '2001-02-10' },
{ id: '3', nome: 'karen', data_nasc: '2006-04-04' },
{ id: '4', nome: 'marina', data_nasc: '1993-03-12' }
Simple Queue Service
{ id: '1', nome: 'erickwendel', data_nasc: '1995-04-25' },
{ id: '2', nome: 'aladin', data_nasc: '2001-02-10' },
{ id: '3', nome: 'karen', data_nasc: '2006-04-04' },
{ id: '4', nome: 'marina', data_nasc: '1993-03-12' }
Simple Queue Service
!(SIM)
!(SIM)
@erickwendel_
Dependência de plataforma
@erickwendel_
Latência
@erickwendel_
Cold Start
@erickwendel_
Descentralização de serviços
@erickwendel_
Instalar pacotes Linux adicionais?
@erickwendel_
Benefícios!
@erickwendel_
Agnóstico Tecnologicamente
.py
.cs
.java
@erickwendel_
Se escala pra um, escala pra mil
@erickwendel_
Releases sofrem um menor impacto
@erickwendel_
Fácil deploy e fácil teste (DEPENTE)
@erickwendel_
Serviços descentralizados
@erickwendel_
Por onde começar?
@erickwendel_
CLI nativo ou Algum framework?
3
Mapper
.csv
.json
3
Mapper
.csv
.json
3
Mapper
.csv
10 items
.json
3
Mapper
.csv
10 items
.json
3
Mapper
.csv
10 items
.json
3
Mapper
.csv
10 items
.json
3
Mapper
.csv
10 items
.json
{id:1,…}
{id:2,…}
{id:3,…}
3
Mapper
.csv
10 items
.json
{id:1,…}
{id:2,…}
{id:3,…}
#COURSE HASHTAG
Body Level One
Demonstration
#COURSE HASHTAG
Body Level One
Demonstration
@erickwendel_
Conclusões
ERICKWENDEL

INDEPENDENTSOFTWARECONSULTANT
@ERICKWENDEL_|@ERICKWENDEL
THANK YOU
@erickwendel_
• https://erickwendel.com
• https://treinamento.nodebr.org
• https://medium.com/@erickwendel
• http://fb.com/page.erickwendel
• https://twitter.com/erickwendel_
• http://meetup.com/nerdzao
• http://meetup.com/nodebr
• https://github.com/ErickWendel/wtf-serverless-
talk
• http://bit.ly/wtf-serverless-connect
KEEP IN TOUCH!
@erickwendel_
https://hackernoon.com/im-afraid-you-re-thinking-about-aws-lambda-cold-starts-all-
wrong-7d907f278a4f
https://read.acloud.guru/six-months-of-serverless-lessons-learned-f6da86a73526
https://hackernoon.com/what-is-serverless-architecture-what-are-its-pros-and-cons-
cc4b804022e9
@erickwendel_

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WTF Serverless Apps