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Add a note stating that the exposed dockerfile port will default to 5000 if not specified

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Jose Diaz-Gonzalez
2015-10-15 21:38:08 -04:00
parent c372f4c054
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docs/deployment/dockerfiles.md
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@@ -20,6 +20,8 @@ dokku config:set APP DOKKU_DOCKERFILE_PORT=8000
Dokku will not expose other ports on your application without a [custom docker-option](/dokku/configuration/docker-options/).
If you do not have a port explicitly exposed, Dokku will automatically expose port `5000` for your application.
## Customizing the run command
By default no arguments are passed to `docker run` when deploying the container and the `CMD` or `ENTRYPOINT` defined in the `Dockerfile` are executed. You can take advantage of docker ability of overriding the `CMD` or passing parameters to your `ENTRYPOINT` setting `$DOKKU_DOCKERFILE_START_CMD`. Let's say for example you are deploying a base nodejs image, with the following `ENTRYPOINT`: