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[ci skip] clarify how we get ports when deploying an arbitrary image

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Michael Hobbs
2016-05-06 11:45:55 -07:00
parent d7386317fc
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docs/deployment/images.md
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@@ -84,6 +84,9 @@ You can alternatively add image pulled from a docker Registry and deploy app fro
dokku tags:deploy test-app v12
```
> Note: When deploying an image, we will use `docker inspect` to extract the `ExposedPorts` configuration and if defined, use that to populate `DOKKU_DOCKERFILE_PORTS`. If this behavior is not desired, you can override that configuration variable with the `config:set` command.
> Example: `dokku config:set test-app DOKKU_DOCKERFILE_PORTS="5984/tcp 80/tcp"`
## Deploying an image from CI
To ensure your builds are always reproducible, it's considered bad practice to store build