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Seu produto é um
                            sucesso, e agora?
                            desafios técnicos que
                            uma start-up enfrenta
                              Phil Calçado - SoundCloud
                                      @pcalcado
                                http://philcalcado.com
Thursday, February 16, 12
ôpa!

                              meu nome é
                               phillip.


Thursday, February 16, 12
eu trabalho aqui:




Thursday, February 16, 12
Thursday, February 16, 12
e você deveria ir pra lá também.




Thursday, February 16, 12
http://bit.ly/work-at-soundcloud


Thursday, February 16, 12
as pessoas desenvolvem
                            sistemas de maneiras bem
                              diferentes hoje em dia.



Thursday, February 16, 12
“Engenharia de Software”
                            (i.e. waterfall)




Thursday, February 16, 12
Thursday, February 16, 12
feedback




Thursday, February 16, 12
Agile Típico


Thursday, February 16, 12
Thursday, February 16, 12
feedback




Thursday, February 16, 12
Startup
                            (i.e. “Eu não tenho a menor idéia se esse
                                        troço vai vingar...”)




Thursday, February 16, 12
Thursday, February 16, 12
feedback




Thursday, February 16, 12
experimentação
                                 rápida.




Thursday, February 16, 12
mas e o sistema,
                             como fica?




Thursday, February 16, 12
sound.erb


                            SoundController
                            view
                            upload

                                 Sound



                               Database




Thursday, February 16, 12
sound.erb                 sound.json.erb



                              SoundController           SoundApiController
                              view                      view
                              upload                    upload



                                                Sound
                            Database




Thursday, February 16, 12
sound.erb           sound.json.erb



                            UploadController   SoundController   SoundApiController
                            upload             view              view
                                                                 upload



                                S3
                                                Sound            Database




Thursday, February 16, 12
Cache




                                                sound.erb                sound.json.erb



                            UploadController   SoundController      SoundApiController
                            upload             view                 view
                                                                    upload



                                S3
                                                Sound                        Database



                                                            Cache

Thursday, February 16, 12
Cache




                                                sound.erb                sound.json.erb



                            UploadController   SoundController      SoundApiController
                            upload             view                 view
                                                                    upload



                                S3                                           Database     Database   Database
                                                                                 1            2         N
                                                Sound


                                               Cache                             Master/Slave


Thursday, February 16, 12
startups




Thursday, February 16, 12
startups
                            A grande maioria falha




Thursday, February 16, 12
startups
                            A grande maioria falha,
                       fazer é mais importante que planejar




Thursday, February 16, 12
startups
                            A grande maioria falha,
                            mas algumas dão certo.




Thursday, February 16, 12
Após esta corrida dos 100m rasos,
          como recuperar o fôlego?



Thursday, February 16, 12
1) Não padronize, encoraje
2) Não re-comece do zero
3) Quebre o monolito



Thursday, February 16, 12
1) Não padronize, encoraje




Thursday, February 16, 12
1) Não padronize, encoraje




Thursday, February 16, 12
1) Não padronize, encoraje




Thursday, February 16, 12
1) Não padronize, encoraje




Thursday, February 16, 12
1) Não padronize, encoraje




Thursday, February 16, 12
1) Não padronize, encoraje




Thursday, February 16, 12
1) Não padronize, encoraje




Thursday, February 16, 12
1) Não padronize, encoraje




Thursday, February 16, 12
1) Não padronize, encoraje




Thursday, February 16, 12
2) Não re-comece do zero




Thursday, February 16, 12
2) Não re-comece do zero
                                                       App 1




                             Vídeo            Música   App 2
      Banco de
       Dados
                                         Data de
                            Matéria     Aniversário

                                  "O Framework"
                                                       App N




Thursday, February 16, 12
2) Não re-comece do zero

                             Vídeo            Música
 Banco de                                                                      Música
  Dados                                                        OBM*
                                         Data de
                            Matéria     Aniversário                            Vídeo


                                  "O Framework"                      App N+1


                                                       * OBM: Object-to-Bolovo Mapper




Thursday, February 16, 12
3) Quebre o monolito




Thursday, February 16, 12
3) Quebre o monolito




Thursday, February 16, 12
3) Quebre o monolito




Thursday, February 16, 12
3) Quebre o monolito


                            VídeoController       MúsicaController



                               Vídeo                Música



                                               Data de
                             Matéria          Aniversário




Thursday, February 16, 12
3) Quebre o monolito


                            VídeoController   MúsicaController



                               Vídeo           Música




                             Matéria
                                               Data de
                                              Aniversário




Thursday, February 16, 12
3) Quebre o monolito

                        VídeoController         MúsicaController


                                              MúsicaService

                                  Vídeo

                                                       Música
                            Matéria


                                               Data de
                               VídeoService   Aniversário



Thursday, February 16, 12
3) Quebre o monolito

           Matéria


                                          <<interface>>                    MúsicaController

             Vídeo


                                                                      Música
                             Data de
                            Aniversário

      VídeoController

                                                      <<interface>>
             VídeoService                                                  MúsicaService




Thursday, February 16, 12
Lembre-se:



Thursday, February 16, 12
Thursday, February 16, 12
Thursday, February 16, 12
Problemas financeiros são resolvidos
com dinheiro.




Thursday, February 16, 12
Problemas financeiros são resolvidos
com dinheiro.
Problemas técnicos requerem
dinheiro e tempo.

Thursday, February 16, 12
http://bit.ly/work-at-soundcloud


Thursday, February 16, 12

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(In Portuguese) Seu produto é um sucesso, e agora? desafios técnicos que uma start-up enfrenta -