nakamiku

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AWS EC2 API reference said : 
<a href="https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_TagSpecification.html" target="_blank" rel="nofollow noopener noreferrer">https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_TagSpecification.html</a> 
TagSpecification.N 
The key-value pair for tagging the Spot Instance request on creation. 
The value for ResourceType must be spot-instances-request, otherwise the Spot Instance request fails. To tag the Spot Instance request after it has been created, see CreateTags. 
Type: Array of TagSpecification objects 
Required: No
<a href="https://gitlab.com/gitlab-org/ci-cd/docker-machine/-/issues/80" target="_blank" rel="nofollow noopener noreferrer">https://gitlab.com/gitlab-org/ci-cd/docker-machine/-/issues/80</a>
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インスタンスが作成された後に、インスタンスを見つけて付与する必要がある