docker-images/docker: restructuring

wiki/docker/itzg_-_minecraft-server.md

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+# itzg - minecraft-server
+
+This is a [Docker](/wiki/docker.md) container for a
+[Minecraft](../games/minecraft.md) server.
+The container and documentation was made by
+[itzg](https://hub.docker.com/r/itzg/minecraft-server).
+
+## Set-up
+
+Create the file `rebuild.sh`.
+Change the settings according to your needs and run `./rebuild.sh` afterwards.
+
+## Environment-variables
+
+Set the following variables with the -e tag.
+
+| Name          | Usage                                                          | Default                                      |
+| ------------- | -------------------------------------------------------------- | -------------------------------------------- |
+| `EULA`        | Accept the EULA                                                |                                              |
+| `TZ`          | Specify Timezone                                               | `Europe/London`                              |
+| `SERVER_NAME` | Specify the Servername                                         |                                              |
+| `OPS`         | Specify the admins of the server                               |                                              |
+| `WHITELIST`   | Specify allowed users (if none are specified all are accepted) |                                              |
+| `ICON`        | Link the Icon of the Server                                    |                                              |
+| `MOTD`        | Set the Message of the day                                     | "A Paper Minecraft Server powered by Docker" |
+
+## Volumes
+
+Set the following volumes with the -v tag.
+
+| Outside mount/volume name | Container mount | Description                    |
+| ------------------------- | --------------- | ------------------------------ |
+| `minecraft`               | `/data`         | location for all relevant data |
+
+## Ports
+
+Set the following ports with the -p tag.
+
+| Container Port | Recommended outside port | Protocol  | Description        |
+| -------------- | ------------------------ | --------- | ------------------ |
+| `25565`        | `25565`                  | Minecraft | Port for Minecraft |
+
+## rebuild.sh
+
+```sh
+#!/bin/sh
+docker stop minecraft
+docker rm minecraft
+docker pull itzg/minecraft-server
+docker run --name minecraft \
+    --restart unless-stopped \
+    -p 25565:25565 \
+    -v minecraft:/data \
+    -e EULA=TRUE \
+    -e TZ=Europe/Berlin \
+    -e SERVER_NAME="ServerName" \
+    -e OPS=admin1,admin2 \
+    -e WHITELIST=user1,user2 \
+    -e ICON=https://<path to image> \
+    -e MOTD="Message of the day" \
+    -d itzg/minecraft-server
+```