Add link to notary environment vars from docker trust automation section

Signed-off-by: Riyaz Faizullabhoy <riyaz.faizullabhoy@docker.com>
Upstream-commit: 8d72ff3f5e5d3a3a0fb3645ef41ad72713c8298b
Component: engine
This commit is contained in:
Riyaz Faizullabhoy
2016-06-07 14:02:39 -07:00
parent 357ff8123d
commit 3e62c84c55

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@ -41,6 +41,8 @@ latest: digest: sha256:d149ab53f871 size: 3355
Signing and pushing trust metadata
```
When working directly with the Notary client, it will use its [own set of environment variables](/notary/reference/client-config.md#environment-variables-optional).
## Building with content trust
You can also build with content trust. Before running the `docker build` command, you should set the environment variable `DOCKER_CONTENT_TRUST` either manually or in a scripted fashion. Consider the simple Dockerfile below.