Updated How to host Multiplayer (markdown)

How-to-host-Multiplayer.md

@@ -59,4 +59,42 @@ World Host<br>
 3. Start your server
 
 # Linux root server (Docker)
-Guide coming very soon...
+## Requirement:
+- [Docker with Docker Compose Plugin](https://docs.docker.com/engine/install/ubuntu/#install-using-the-repository)
+
+Create a new directory with a `docker-compose.yml` with the following contents:
+```yml
+services:
+  mc:
+    container_name: boundless-mc
+    image: itzg/minecraft-server
+    tty: true
+    stdin_open: true
+    restart: always
+    ports:
+      - "25565:25565"
+      - "24454:24454/udp"
+    environment:
+      EULA: "TRUE"
+      MEMORY: "4g"
+      MOD_PLATFORM: MODRINTH
+      MODRINTH_MODPACK: ScTwzzH2
+      MODRINTH_DEFAULT_VERSION_TYPE: beta
+      MODRINTH_EXCLUDE_FILES: |
+        sound
+        sodium-extra
+        watermedia
+        world-host
+      MODRINTH_OVERRIDES_EXCLUSIONS: |
+        resourcepacks/*
+        shaderpacks/*
+      SERVER_NAME: "A Boundless Horizons Modpack Server"
+      MOTD: "\u00a72A\u00a76 Boundless \u00a71Horizons \u00a72Modpack Server"
+      ICON: "https://raw.githubusercontent.com/vaporvee/BoundlessHorizons/refs/heads/main/assets/icon.png"
+      DIFFICULTY: "NORMAL"
+      SPAWN_PROTECTION: "0"
+    volumes:
+      - ./data:/data
+```
+
+more info coming soon...