April 2025
Intermediate to advanced
324 pages
10h 14m
Portuguese (Portugal, Brazil)
Content preview from Criando microsserviços orientados a eventos
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Capítulo 2. Fundamentos de microsserviços orientados a eventos
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Um microsserviço orientado para eventos é uma pequena aplicação criada para cumprir um contexto delimitado específico. Os microsserviçosde consumo consomem e processam eventos de um ou mais fluxos de eventos de entrada, enquanto os microsserviços de produção produzem eventos para fluxos de eventos para outros serviços consumirem. É comum que um microsserviço orientado para eventos seja um consumidor de um conjunto de fluxos de eventos de entrada e um produtor de outro conjunto de fluxos de eventos de saída. Estes serviços podem ser stateless (ver Capítulo 5) ou stateful (ver Capítulo 7) e podem também conter APIs síncronas de pedido-resposta (ver Capítulo 13). Todos estes serviços partilham a funcionalidade comum de consumir eventos do corretor de eventos ou de produzir eventos para o mesmo. A comunicação entre microsserviços orientados por eventos é completamente assíncrona.
Os fluxos de eventos são atendidos por um corretor de eventos, que é abordado em mais detalhes na segunda metade deste capítulo. A execução de microsserviços em qualquer escala significativa geralmente requer o uso de pipelines de implantação e sistemas de gerenciamento de contêineres, também discutidos no final deste capítulo.
Topologias de edifícios
O termo topologia aparece frequentemente em discussões sobre microsserviços ...
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