update volume creation

minecraft/Dockerfile

@@ -3,9 +3,8 @@ FROM ubuntu:24.04
 RUN apt-get update && apt-get -y upgrade
 RUN apt-get install -y wget openjdk-21-jre
 
-RUN useradd -m matt
-USER matt
-WORKDIR /home/matt
+USER ubuntu
+WORKDIR /home/ubuntu
 
 RUN wget https://github.com/Tiiffi/mcrcon/releases/download/v0.7.2/mcrcon-0.7.2-linux-x86-64.tar.gz
 RUN tar xvf mcrcon-0.7.2-linux-x86-64.tar.gz
@@ -13,7 +12,7 @@ RUN tar xvf mcrcon-0.7.2-linux-x86-64.tar.gz
 # from https://www.minecraft.net/en-us/download/server (currently 1.21)
 RUN wget https://piston-data.mojang.com/v1/objects/59353fb40c36d304f2035d51e7d6e6baa98dc05c/server.jar
 
-COPY --chown=matt:matt eula.txt ./
-COPY --chown=matt:matt entry.sh ./
-COPY --chown=matt:matt server.properties ./
-COPY --chown=matt:matt ops.json ./
+COPY --chown=ubuntu:ubuntu eula.txt ./
+COPY --chown=ubuntu:ubuntu entry.sh ./
+COPY --chown=ubuntu:ubuntu server.properties ./
+COPY --chown=ubuntu:ubuntu ops.json ./

minecraft/server.properties

@@ -1,4 +1,3 @@
-#Minecraft server properties
 allow-flight=false
 allow-nether=true
 broadcast-console-to-ops=true