project rescue - oxente rails - 05aug2010
DESCRIPTION
Palestra realizada por Hugo Baraúna no evento Oxente Rails 2010, em 06 de Agosto de 2010 na cidade de Natal.TRANSCRIPT
![Page 1: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/1.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
blog twitterID
Project Rescuesalvando projetos a beira do precipício
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Quem sou eu?
• Hugo Baraúna
• Co-fundador da Plataforma Tecnologia
• 24 anos
• Engenharia de Computação na Politécnica da USP
•Desenvolvedor Ruby e Rails há mais de 3 anos
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1
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1
Desevolvemosaplicações em Rails
ConsultoriaCoaching em Rails e Agile
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Vamos começar!
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Hugo Baraúna @hugobaraunablog.plataformatec.com
3 coisas
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Hugo Baraúna @hugobaraunablog.plataformatec.com
1. História baseada em fatos reais
![Page 9: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/9.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
2. Por que acontece?
![Page 10: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/10.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
3. Como resolver
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Por que estamos aqui?
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Porque nós amamos Rails!
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Software de qualidade e de modo produtivo
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Ruby e Rails estão crescendo
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Usuários de Ruby
1993 1995 2000 2005 2008 2013
1 100 10,000 100,000
1,000,000
4,000,000
* Talk do Matz na Euruko 2010
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Hugo Baraúna @hugobaraunablog.plataformatec.com
foto de ruido
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Fábrica de software
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1. História baseada em fatos reais
![Page 19: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/19.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Tinha um cara, João, 30 anos
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Hugo Baraúna @hugobaraunablog.plataformatec.com
João trabalhava na empresa da sua família
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Visão de uma oportunidade de negócios
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Deixou a empresa da sua família
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Investiu suas economias na sua nova empresa
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Produto envolvia um sistema web
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Hugo Baraúna @hugobaraunablog.plataformatec.com
![Page 26: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/26.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Decidiu contratar uma fábrica de software
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Fábrica de software
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Hugo Baraúna @hugobaraunablog.plataformatec.com
2 anos depois...
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Hugo Baraúna @hugobaraunablog.plataformatec.com
produto incompleto
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Hugo Baraúna @hugobaraunablog.plataformatec.com
bugs recorrentes
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Hugo Baraúna @hugobaraunablog.plataformatec.com
1 mês para lançar uma nova feature
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Hugo Baraúna @hugobaraunablog.plataformatec.com
dinheiro acabando
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Hugo Baraúna @hugobaraunablog.plataformatec.com
A empresa de João corre o risco de falir
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Hugo Baraúna @hugobaraunablog.plataformatec.com
continua em próximos capítulos...
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2. Por que esses problemas acontecem?
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Hugo Baraúna @hugobaraunablog.plataformatec.com
3 possíveis motivos
• Cliente não sabe comprar software
• Fornecedor ruim
•Má gestão do desenvolvimento
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Cliente não sabe comprar software
![Page 38: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/38.jpg)
Me veja 13 Kg de software
(...)
Software como commodity
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Fornecedor ruim
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Vendo Rails. Quer pagar quanto?
Vendedor falastrão
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Falta de domínio da ferramenta
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Má gestão do desenvolvimento
![Page 43: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/43.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Má gestão do desenvolvimento
• Escopo mal definido
![Page 44: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/44.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Má gestão do desenvolvimento
• Escopo mal definido
• Falta de definição do “done done”
![Page 45: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/45.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Má gestão do desenvolvimento
• Escopo mal definido
• Falta de definição do “done done”
• Prazo e escopo fechado
![Page 46: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/46.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
3 possíveis motivos
• Cliente não sabe comprar software
• Fornecedor ruim
•Má gestão do desenvolvimento
![Page 47: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/47.jpg)
3. Como resolver
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Como resolver
![Page 50: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/50.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Como resolver
•Definir o problema
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Como resolver
•Definir o problema
• Apagar o incêndio
![Page 52: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/52.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Como resolver
•Definir o problema
• Apagar o incêndio
•Organizar a casa
![Page 53: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/53.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Como resolver
• Definir o problema
• Apagar o incêndio
•Organizar a casa
![Page 54: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/54.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
De!nir o problema
• Ponto de vista técnico
• Ponto de vista de negócios
![Page 55: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/55.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
De!nir o problema
• Ponto de vista técnico
• Ponto de vista de negócios
![Page 56: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/56.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Ponto de vista técnico
• Bugs recorrentes?
• Baixa manutenibilidade?
• Velocidade de desenvolvimento muito baixa?
![Page 57: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/57.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
De!nir o problema
• Ponto de vista técnico
• Ponto de vista de negócios
![Page 58: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/58.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Ponto de vista de negócios
• Vou perder o meu cliente!
• Vou perder o investidor!
•Minha empresa vai falir!
![Page 59: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/59.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Como resolver
•Definir o problema
• Apagar o incêndio
• Arrumar a casa
![Page 60: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/60.jpg)
![Page 61: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/61.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Como resolver
•Definir o problema
• Apagar o incêndio
• Arrumar a casa
![Page 62: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/62.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Arrumar a casa
• Gerenciar a expectativa
• Preparar o terreno
•Desenvolvimento com refactoring puxado
![Page 63: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/63.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Gerenciar a expectativa
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Preparar o terreno
![Page 65: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/65.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Story mapping, por Jeff Patton
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Story mapping, por Jeff Patton
![Page 67: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/67.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
![Page 68: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/68.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Desenvolvimento com refactoring puxado
![Page 69: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/69.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Testes de integração segundo a regra de Pareto
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Novas features, com testes
![Page 71: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/71.jpg)
Hugo Baraúna @hugobaraunablog.plataformatec.com
Refactoring “just in time”
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Hugo Baraúna @hugobaraunablog.plataformatec.com
Como resolver
•Definir o problema
• Apagar o incêndio
• Arrumar a casa
![Page 73: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/73.jpg)
there’s one more thing...
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João!
![Page 75: Project Rescue - Oxente Rails - 05aug2010](https://reader037.vdocuments.net/reader037/viewer/2022110307/55593360d8b42a4f3d8b4a26/html5/thumbnails/75.jpg)
Plataforma fez o project rescue
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Estamos felizes em salvar o negócio do João
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@hugobaraunablog.plataformatec.com.br
?!