Figura 4-1. A arquitetura que implementaste nos capítulos anteriores incluía um balanceador de carga, um cluster de servidores Web e uma base de dados.
Isto funciona muito bem como primeiro ambiente, mas normalmente precisas de pelo menos dois ambientes: um para os testes internos da tua equipa ("staging") e um a que os utilizadores reais possam aceder ("production"), como mostrado naFigura 4-2. Idealmente, os dois ambientes são quase idênticos, embora possas utilizar um pouco menos/mais pequenos servidores no ambiente de teste para poupar dinheiro.
Figura 4-2. A arquitetura que implantarás neste capítulo terá dois ambientes, cada um com seu próprio balanceador de carga, cluster de servidor Web e banco de dados.
Como é que adicionas este ambiente de produção sem teres de copiar e colar todo o código do ambiente de teste? Por exemplo, como evitas ter de copiar e colar todo o código do stage/services/webserver-cluster noprod/services/webserver-cluster e todo o código do stage/data-stores/mysql no prod/data-stores/mysql ...
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