Add Minecraft Server Dockerfile

Dockerfile

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+FROM openjdk:21-jdk-slim
+WORKDIR /minecraft
+RUN apt-get update && apt-get install -y wget && \
+    wget -O server.jar https://launcher.mojang.com/v1/objects/<版本哈希>/server.jar
+RUN echo "eula=true" > eula.txt
+EXPOSE 25565
+ENV MAX_HEAP=1024M
+ENV MIN_HEAP=512M
+CMD ["sh", "-c", "java -Xms$MIN_HEAP -Xmx$MAX_HEAP -jar server.jar nogui"]
+

run.sh

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+docker run - it -d \
+  -p 25565:25565 \
+  -v ~/minecraft/data:/minecraft \
+  -e MAX_HEAP=2G \
+  -e MIN_HEAP=1G \
+  --name mc-server \
+  minecraft-server:latest