Merge pull request #700 from pierreozoux/nextcloud

Adds Nextcloud

nextcloud/README-short.txt

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+A safe home for all your data

nextcloud/content.md

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+# What is Nextcloud?
+
+A safe home for all your data. Access & share your files, calendars, contacts, mail & more from any device, on your terms.
+
+> [Nextcloud.com](https://nextcloud.com/)
+
+%%LOGO%%
+
+# How to use this image
+
+This image is designed to be used in a micro-service environment. It consists of the Nextcloud installation in an [php-fpm](https://hub.docker.com/_/php/) container. To use this image it must be combined with any webserver that can proxy the http requests to the FastCGI-port of the container.
+
+## Start Nextcloud
+
+Starting Nextcloud php-fpm instance listening on port 9000 is as easy as the following:
+
+```console
+$ docker run -d nextcloud
+```
+
+Now you can get access to fpm running on port 9000 inside the container. If you want to access it from the internet, we recommend using a reverse proxy in front. You can install it directly on your machine or use an additional container (You can find more information on that on the docker-compose section). Once you have a reverse proxy, you can access Nextcloud at http://localhost/ and go through the wizard.
+
+By default this container uses SQLite for data storage, but the wizard allows connecting to an existing database. For a MySQL database you can link an database container, e.g. `--link my-mysql:mysql`, and then use `mysql` as the database host on setup.
+
+## Persistent data
+
+All data beyond what lives in the database (file uploads, etc) is stored within the default volume `/var/www/html`. With this volume, Nextcloud will only be updated when the file `version.php` is not present.
+
+-	`-v /<mydatalocation>:/var/www/html`
+
+For fine grained data persistence, you can use 3 volumes, as shown below.
+
+-	`-v /<mydatalocation>/apps:/var/www/html/apps` installed / modified apps
+-	`-v /<mydatalocation>/config:/var/www/html/config` local configuration
+-	`-v /<mydatalocation>/data:/var/www/html/data` the actual data of your Nextcloud
+
+## ... via [`docker-compose`](https://github.com/docker/compose)
+
+The recommended minimal setup is using this image in combination with two containers: A database container and a reverse proxy for the http connection to the service. A working example can be found at [IndieHosters/Nextcloud](https://github.com/indiehosters/nextcloud).
+
+If you want to access your Nextcloud from the internet we recommend configuring your reverse proxy to use encryption (for example via [let's Encrypt](https://letsencrypt.org/))
+
+## Update to a newer version
+
+To update your Nextcloud version you simply have to pull and start the new container. (if you mounted the full `/var/www/html`, you need to delete `version.php`. See [persistent data](#persistent-data) for more information.)
+
+```console
+$ docker pull nextcloud
+$ docker run -d nextcloud
+```
+
+When you access your site, the update wizard will show up.

nextcloud/github-repo

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+https://github.com/nextcloud/docker

nextcloud/license.md

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+View [license information](https://github.com/nextcloud/server/blob/master/COPYING-README) for the software contained in this image.