May 2025
Intermediate to advanced
552 pages
16h 26m
Portuguese (Portugal, Brazil)
Content preview from Fundamentos de DevOps e entrega de software
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Capítulo 2. Como gerir a tua infraestrutura como código
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No Capítulo 1, você aprendeu como implantar sua aplicação usando PaaS e IaaS, mas isso exigiu muitos passos manuais clicando em uma UI web. Isto é bom enquanto estás a aprender e a experimentar, mas gerir tudo numa empresa desta forma - por vezes chamado ClickOps -leva rapidamentea problemas:
- As implementações são lentas e aborrecidas
-
Não podes ser mobilizado frequentemente ou responder rapidamente a problemas ou oportunidades.
- As implementações são propensas a erros e inconsistentes
-
Acabas por ter muitos bugs, interrupções e sessões de depuração a altas horas da noite. Ficas com medo e demoras a introduzir novas funcionalidades.
- Apenas uma pessoa sabe como implementar
-
Essa pessoa está sobrecarregada e nunca tem tempo para melhorias a longo prazo. Se ela se fosse embora ou fosse atropelada por um autocarro, tudo ficaria paralisado.1
Felizmente, hoje em dia, existe uma forma melhor de fazer as coisas: pode gerir a sua infraestrutura como código (IaC). Em vez de clicar manualmente, utiliza código para definir, implementar, atualizar e destruir a sua infraestrutura. Isto representa uma visão chave do DevOps: a maioria das tarefas que costumava fazer manualmente pode agora ser automatizada usando código, como mostrado na Tabela 2-1.
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