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Added details about tag support for AWS log driver 

Signed-off-by: French Ben <frenchben@docker.com>
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French Ben 2016-10-28 17:30:31 -07:00 committed by Misty Stanley-Jones
parent 4e2241748e
commit 0e10a6618c
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engine/admin/logging/awslogs.md
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@ -58,6 +58,17 @@ specified, the container ID is used as the log stream.
> at a time. Using the same log stream for multiple containers concurrently > at a time. Using the same log stream for multiple containers concurrently
> can cause reduced logging performance. > can cause reduced logging performance.
### tag
Specify tag as an alternative to the AWS logstream name, which interpret some markup, ex `{{.ID}}`, `{{.FullID}}` or `{{.Name}}` `docker.{{.ID}}`
By default, Docker uses the first 12 characters of the container ID to tag log messages.
Refer to the [log tag option documentation](log_tags.md) for customizing
the log tag format.
> **Note:**
> `awslogs-stream` will **always** overwrite the `tag` specified.
## Credentials ## Credentials
You must provide AWS credentials to the Docker daemon to use the `awslogs` You must provide AWS credentials to the Docker daemon to use the `awslogs`