# ubuntu 作为基础镜像。
FROM ubuntu:24.04

# HTTP 代理
ENV HTTP_PROXY="http://172.17.0.1:7890"
# HTTPS 代理
ENV HTTPS_PROXY="http://172.17.0.1:7890"
# 针对 code-server/npm/git 等的全局代理（通常是小写的）
ENV http_proxy="http://172.17.0.1:7890"
ENV https_proxy="http://172.17.0.1:7890"
ENV NO_PROXY="localhost,127.0.0.1,::1,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16"
# 时区
ENV TZ="Asia/Shanghai"

# 配置 APT 清华源
COPY aliyun-ubuntu.sources /etc/apt/sources.list.d/
RUN apt-get update

# 安装依赖
RUN DEBIAN_FRONTEND=noninteractive \
    apt-get install -y --no-install-recommends \
    curl \
    gosu \
    tmux \
    ca-certificates \
    iputils-ping \
    wget \
    zip \
    unzip \
    locales \
    && rm -rf /var/lib/apt/lists/*

# 设置编码
RUN locale-gen en_US.UTF-8 && update-locale LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8

# code-server
RUN curl -fsSL https://code-server.dev/install.sh | sh

COPY start.sh /
RUN chmod +x /start.sh

RUN useradd --shell /bin/bash -u 1001 -m mc
WORKDIR /home/mc

# 暴露端口
EXPOSE 8080
EXPOSE 25565

CMD ["/start.sh"]

#!/bin/bash
set -e

# 检查环境变量是否已设置
if [ -z "$SERVER_NAME" ]; then
    echo "Error: SERVER_NAME environment variable is not set correctly."
    exit 1
fi

# 修正文件归属
chown -R mc /home/mc

# ===============================================================
# 信号捕获函数：用于优雅关闭 MC Server
# ===============================================================
graceful_shutdown() {
    echo "Caught signal. Performing graceful shutdown..."
    
    # 检查 tmux session 是否存在
    if tmux has-session -t mc 2>/dev/null; then
        echo "Sending 'stop' command to Minecraft server via tmux..."
        
        # 使用 tmux send-keys 向 'mc' 会话发送 'stop' 命令和 Enter 键
        # -t mc: 指定目标会话
        # C-m: 相当于按下 Enter 键
        tmux send-keys -t mc 'stop' C-m
        
        # 等待 MC Server 进程退出。mc-server-runner 会处理 Java 的关闭
        # 我们可以等待 tmux session 消失，表示 mc-server-runner 已退出
        TIMEOUT=60
        COUNT=0
        while tmux has-session -t mc 2>/dev/null && [ $COUNT -lt $TIMEOUT ]; do
            echo "Waiting for Minecraft server to stop... (Max $TIMEOUT seconds)"
            sleep 1
            COUNT=$((COUNT + 1))
        done
        
        if [ $COUNT -eq $TIMEOUT ]; then
            echo "WARNING: Minecraft server did not stop gracefully within $TIMEOUT seconds. Killing tmux session."
            tmux kill-session -t mc 2>/dev/null
        else
            echo "Minecraft server stopped successfully."
        fi
    else
        echo "Minecraft server tmux session not found or already stopped."
    fi

    # 停止 code-server (exec 后的 code-server 已经是主进程，收到信号后会自动退出)
    # 我们这里不需要手动杀死 code-server，因为 Tini 会转发信号给它。
    # 退出脚本，允许 Tini 干净地清理进程
    exit 0
}

# 捕获 SIGINT (Ctrl+C) 和 SIGTERM (Docker Stop) 信号
trap 'graceful_shutdown' SIGINT SIGTERM

echo Starting Server...
cd /home/mc/$SERVER_NAME
gosu mc tmux new -d -s $SERVER_NAME
gosu mc tmux send-keys -t $SERVER_NAME:0 "$START_CMD" C-m

echo Starting Code...
gosu mc sed -i "s#^password: .*#password: $CODE_PASSWORD#" /home/mc/.config/code-server/config.yaml
gosu mc code-server --bind-addr 0.0.0.0:8080 /home/mc/$SERVER_NAME &
CODE_SERVER_PID=$!
echo "code-server started with PID $CODE_SERVER_PID."

# 等待 code-server 进程或收到的信号。
# 这一行是保持 start.sh 脚本存活的关键，以监听信号。
wait $CODE_SERVER_PID

# 如果 code-server 意外退出，则执行优雅关闭流程
graceful_shutdown

Types: deb
URIs: http://mirrors.aliyun.com/ubuntu
Suites: noble noble-updates noble-backports
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

services:
  velocity:
    image: minecraft-universal:1.5
    container_name: velocity
    hostname: velocity
    environment:
      SERVER_NAME: "velocity"
      START_CMD: "./start.sh"
      CODE_PASSWORD: "<your-password>" 
    ports:
      - "25565:25565"
    volumes:
      - /opt/java:/java:ro
      - /opt/mc-velocity:/home/mc
    restart: unless-stopped
    networks:
      - mc
      - web

@ECHO OFF
@REM 作者404E
set a=0
echo ------------------------------------------------------------------
echo --                                                              --
echo --                           正在启动                           --
echo --                                                              --
echo ------------------------------------------------------------------
:start
set b = %date:~0,4%.%date:~5,2%.%date:~8,2% %time:~0,2%:%time:~3,2%:%date:~8,2%
title 服务端 重启%a%次 上次重启于%b%
set date1=%date:~0,4%%date:~5,2%%date:~8,2%
set time1=%time:~0,2%%time:~3,2%%time:~6,2%
java -Xms2G -Xmx2G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true -jar server.jar nogui
set date2=%date:~0,4%%date:~5,2%%date:~8,2%
set /a c=%time:~0,2%%time:~3,2%%time:~6,2% - %time1%
if %c% LEQ 1 (
    if %date2% == %date1% (
        echo ------------------------------------------------------------------
        echo --                                                              --
        echo --                  :( 启动异常,请检查启动参数                  --
        echo --                  或者咨询其他人,按任意键退出                 --
        echo --                                                              --
        echo ------------------------------------------------------------------
        pause>null
        exit
    )
)
set /a a=%a%+1
echo ------------------------------------------------------------------
echo --                                                              --
echo --                       将在3秒后自动重启                      --
echo --                       按任意键跳过等待                       --
echo --                      或者直接关闭服务端                      --
echo --                                                              --
echo ------------------------------------------------------------------
timeout /T 3
goto start

vi start.sh

#!/bin/bash
#作者404E
echo '------------------------------------------------------------------'
echo '-                                                                -'
echo '-                         开始启动服务端                         -'
echo '-                                                                -'
echo '------------------------------------------------------------------'
while true;
do
    java -Xms2G -Xmx2G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true -jar server.jar nogui
    echo '------------------------------------------------------------------'
    echo '-                                                                -'
    echo '-                       服务器将在3秒后重启                      -'
    echo '-                     按 ctrl + c 停止服务端                     -'
    echo '-                                                                -'
    echo '------------------------------------------------------------------'
    for i in $(seq 3 -1 1)
    do
        echo -n "·"
        sleep 1s
    done
    echo ''
    echo '------------------------------------------------------------------'
    echo '-                                                                -'
    echo '-                         开始重启服务端                         -'
    echo '-                                                                -'
    echo '------------------------------------------------------------------'
done

#!/bin/bash
#作者404E
echo '------------------------------------------------------------------'
echo '-                                                                -'
echo '-                         开始启动服务端                         -'
echo '-                                                                -'
echo '------------------------------------------------------------------'
while true;
do
    java -Xms2G -Xmx2G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true -jar server.jar nogui
    # 备份
    echo '------------------------------------------------------------------'
    echo '-                                                                -'
    echo '-                     服务器将在3秒后开始备份                    -'
    echo '-                     按 ctrl + c 停止服务端                     -'
    echo '-                                                                -'
    echo '------------------------------------------------------------------'
    for i in $(seq 3 -1 1)
    do
    echo -n "·"
    sleep 1s
    done
    # 备份保留个数
    c=5
    if [ ! -d "backup" ];then
    mkdir backup
    fi
    rm -rf backup/$c.tar.gz
    for((i=$c;i>0;i--));
    do if [ -f "backup/"$i".tar.gz" ];then
    mv backup/$i.tar.gz backup/`expr $i + 1`.tar.gz
    fi done
    # 创建备份指令，可自行添加文件夹(将#去掉)
    tar -zcf backup/1.tar.gz world #world_nether world_the_end
    # 备份结束
    echo '------------------------------------------------------------------'
    echo '-                                                                -'
    echo '-                  备份完成  服务器将在3秒后重启                 -'
    echo '-                     按 ctrl + c 停止服务端                     -'
    echo '-                                                                -'
    echo '------------------------------------------------------------------'
    for i in $(seq 3 -1 1)
    do
        echo -n "·"
        sleep 1s
    done
    echo ''
    echo '------------------------------------------------------------------'
    echo '-                                                                -'
    echo '-                         开始重启服务端                         -'
    echo '-                                                                -'
    echo '------------------------------------------------------------------'
done