Containers
Em implementações do tipo blue-green, dois servidores são mantidos: um servidor “azul” e um servidor “verde”. A qualquer momento, apenas um servidor está lidando com as requisições. Por exemplo, requisições públicas podem ser roteadas para o servidor azul, que se torna o servidor de produção; enquanto isso, o servidor verde torna-se o servidor intermediário, e por sua vez só pode ser acessado em uma rede privada. As alterações são instaladas no servidor não ativo, que é então testado através da rede privada para verificar se as alterações funcionam conforme o esperado. Feita a verificação, o servidor não ativo é trocado então pelo servidor ativo, efetivando as alterações implementadas.
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Blue Green Deployments vs Rolling Deployments?
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