docker-images/docker: restructuring

wiki/docker/owncloud.md

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+# owncloud
+
+This is a [Docker](/wiki/docker.md) container for a [owncloud](../owncloud.md) server.
+The official container and documentation was made by
+[owncloud](https://hub.docker.com/_/owncloud).
+This docker-rebuild is made up by a `docker-compose.yml` file.
+The services in this files are explained seperately.
+The main Docker container needs a database in form of a [MariaDB](./mariadb.md)
+Docker container.
+
+## Set-up
+
+Create the files `rebuild.sh` and `docker-compose.yml` at the same place.
+Change the settings according to your needs and run `./rebuild.sh` afterwards.
+
+## Volumes
+
+Set the following volumes in the `volumes:` section of the docker-compose file.
+
+| Outside mount/volume name | Container mount        | Description                  |
+| ------------------------- | ---------------------- | ---------------------------- |
+| `owncloud`                | `/var/www/html`        | storage for owncloud plugins |
+| `config`                  | `/var/www/html/config` | storage for owncloud config  |
+
+## Ports
+
+Set the following ports in the `ports:` section.
+
+| Container Port | Recommended outside port | Protocol | Description |
+| -------------- | ------------------------ | -------- | ----------- |
+| `80`           | `80`                     | TCP      | WebUI       |
+
+## rebuild.sh
+
+```sh
+#!/bin/sh
+docker-compose down
+docker pull owncloud
+docker pull mariadb
+docker-compose up -d
+```
+
+## docker-compose.yml
+
+```yml
+version: "3.1"
+
+services:
+  owncloud:
+    image: owncloud
+    restart: unless-stopped
+    ports:
+      - 80:80
+    volumes:
+      - owncloud:/var/www/html
+      - config:/var/www/html/config
+
+  mariadb:
+    image: mariadb
+    restart: unless-stopped
+    environment:
+      MYSQL_ROOT_PASSWORD: pass
+    volumes:
+      - mariadb:/var/lib/mysql
+
+volumes:
+  owncloud:
+    driver: local
+  mariadb:
+    driver: local
+  config:
+    driver: local
+```