# É possível passar variáveis de ambiente customizadas para o container Docker?

**URL:** <https://meta.discourse.org/t/is-it-possible-to-pass-custom-environment-variables-to-the-docker-container/162795>\
**Category:** Self-hosting\
**Created:** [Setembro 2, 2020, 12:20pm UTC](https://meta.discourse.org/t/is-it-possible-to-pass-custom-environment-variables-to-the-docker-container/162795 "2020-09-02T12:20:03Z")\
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**Author:** ![fzngagan](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/fzngagan/32/259349_2.png) [@fzngagan](https://meta.discourse.org/u/fzngagan)\
**Post date:** [Setembro 2, 2020, 12:20pm UTC](https://meta.discourse.org/t/is-it-possible-to-pass-custom-environment-variables-to-the-docker-container/162795/1 "2020-09-02T12:20:03Z")

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Algumas bibliotecas de cliente, como [GitHub - googleapis/google-auth-library-ruby: Google Auth Library for Ruby · GitHub](https://github.com/googleapis/google-auth-library-ruby#example-environment-variables), exigem que as credenciais de autenticação sejam definidas como `variáveis de ambiente`. É possível passá-las por meio do arquivo `yml`?

Tentei:

1. Adicionar `export VAR=VALUE` à seção de comandos personalizados do arquivo yml.
2. Adicionar `VARIABLE: VALUE` à seção `env` do arquivo yml.

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