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Install Minecraft on Docker Compose

Install Mincraft using Docker Compose

The Plugins are important. like "ViaVersion" as it it be what lets you cross platforms to switch and other consoles. 

services:
  minecraft:
    image: itzg/minecraft-server:java21
    dns:
      - 8.8.8.8
      - 8.8.4.4
    environment:
      UID: "1000"
      GID: "1000"
      EULA: "TRUE"
      TYPE: "PAPER"
      VERSION: "1.21.1"
      PAPER_CHANNEL: "default"
      PLUGINS: |
        https://download.geysermc.org/v2/projects/geyser/versions/latest/builds/latest/downloads/spigot
        https://download.geysermc.org/v2/projects/floodgate/versions/latest/builds/latest/downloads/spigot
        https://github.com/ViaVersion/ViaVersion/releases/download/5.6.0/ViaVersion-5.6.0.jar
    ports:
      - "25565:25565" # Java Edition
      - "19132:19132/udp" # Bedrock Edition (Switch, consoles, mobile)
    volumes:
      - ./data:/data
    restart: unless-stopped

Got the container running? Good. Next step...

Test it

sudo docker logs <container_name>

You can also use 

sudo docker logs minecraft-minecraft-1 | grep "logged in with entity id"

Check for errors and see what it says. 

Using hose / .service to open and close ports AND start and stock docker.

Go to: 

sudo vim /etc/systemd/system/minecraft.service

You may not have that file yet. if not, just create it new and paste in the below. 

You will need to change these directories to match where your data is stored. 
WorkingDirectory=/opt/minecraft
ExecStart=/usr/bin/docker compose up -d
ExecStop=/usr/bin/docker compose down

[Unit]
Description=Minecraft Server (Docker)
After=docker.service
Requires=docker.service

[Service]
Type=oneshot
RemainAfterExit=yes
WorkingDirectory=/opt/minecraft

ExecStartPre=/usr/sbin/ufw allow 25565/tcp
ExecStartPre=/usr/sbin/ufw allow 19132/udp
ExecStart=/usr/bin/docker compose up -d

ExecStop=/usr/bin/docker compose down
ExecStopPost=/usr/sbin/ufw delete allow 25565/tcp
ExecStopPost=/usr/sbin/ufw delete allow 19132/udp

[Install]
WantedBy=multi-user.target

 

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