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feat: allow disabling chown for persistent storage in scheduler-docker-local

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Some systems - such as a mounted read-only CIFS filesystem - do not fully support chown, and chowning should be considered optional for cases when the host os has already taken care of permissioning. This commit allows users to disable chown by setting a property on the scheduler-docker-local plugin.
This commit is contained in:
Jose Diaz-Gonzalez
2018-08-01 02:00:32 -04:00
parent 53c5d548f1
commit 7349c30cd9
10 changed files with 196 additions and 7 deletions
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6
docs/advanced-usage/persistent-storage.md
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@@ -39,7 +39,7 @@ dokku storage:mount node-js-app /var/lib/dokku/data/storage/node-js-app:/storage
Dokku will then mount the shared contents of `/var/lib/dokku/data/storage` to `/storage` inside the container.
Once you have mounted persistent storage, you will also need to restart the application. See the
Once you have mounted persistent storage, you will also need to restart the application. See the
[process scaling documentation](/docs/deployment/process-management.md) for more information.
```shell
@@ -132,7 +132,7 @@ Your app may have services that are running in memory and need to be backed up l
By default, Dokku will only bind storage mounts during the deploy and run phases. Under certain conditions, one might want to bind a storage mount during the build phase. This can be accomplished by using the `docker-options` plugin directly.
```shell
dokku docker-options:add <app> build "-v /tmp/python-test:/opt/test"
dokku docker-options:add node-js-app build "-v /tmp/python-test:/opt/test"
```
You cannot use mounted volumes during the build phase of a Dockerfile deploy. This is because Docker does not support volumes when executing `docker build`.
@@ -147,4 +147,4 @@ By default, Dokku will execute your buildpack application processes as the `hero
> NOTE: this user must exist in your herokuish image.
Additionally, Dokku will ensure your storage mounts are owned by either `herokuishuser` or the overridden value you have set in `DOKKU_APP_USER`.
Additionally, the default `docker-local` scheduler that comes with Dokku will ensure your storage mounts are owned by either `herokuishuser` or the overridden value you have set in `DOKKU_APP_USER`. See the [scheduler-docker-local documentation](/docs/advanced-usage/schedulers/docker-local.md#disabling-chown-of-persistent-storage) docs for more information.