コンテナ間で環境変数を共有するversion: '3.4' x-common-variables: &common-variables VARIABLE: some_value ANOTHER_VARIABLE: another_value services: some_service: image: someimage environment: *common-variables another_service: image: anotherimage environment: <<: *common-variables NON_COMMON_VARIABLE: 'non_common_value'
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