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+# What is Nextcloud?
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+
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+A safe home for all your data. Access & share your files, calendars, contacts, mail & more from any device, on your terms.
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+
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+> [Nextcloud.com](https://nextcloud.com/)
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+
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+%%LOGO%%
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+
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+# How to use this image
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+
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+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.
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+
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+## Start Nextcloud
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+
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+Starting Nextcloud php-fpm instance listening on port 9000 is as easy as the following:
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+
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+```console
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+$ docker run -d nextcloud
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+```
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+
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+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.
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+
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+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.
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+
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+## Persistent data
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+
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+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.
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+
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+- `-v /<mydatalocation>:/var/www/html`
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+
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+For fine grained data persistence, you can use 3 volumes, as shown below.
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+
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+- `-v /<mydatalocation>/apps:/var/www/html/apps` installed / modified apps
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+- `-v /<mydatalocation>/config:/var/www/html/config` local configuration
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+- `-v /<mydatalocation>/data:/var/www/html/data` the actual data of your Nextcloud
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+
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+## ... via [`docker-compose`](https://github.com/docker/compose)
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+
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+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).
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+
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+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/))
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+
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+## Update to a newer version
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+
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+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.)
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+
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+```console
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+$ docker pull nextcloud
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+$ docker run -d nextcloud
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+```
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+
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+When you access your site, the update wizard will show up.
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pierreozoux
