feat(devcontainer): add enhanced Maven development environment with Java 21, Bun, and SSH support

- Add Docker Compose configuration for Maven + Java 21 development container
- Include SSH server support for remote development (Zed editor compatible)
- Install Bun package manager and opencode-ai for enhanced development workflow
- Provide Makefile with commands for build, up, down, restart, logs, shell, ssh, and clean
- Add .env.example template for configurable ports and paths
- Include .gitignore for Java/Maven artifacts and IDE files
- Configure USTC mirrors for faster package installation
- Support persistent volume mounting for root user configuration (.ssh, .m2 cache)

java-maven/vibe-enhance-version/.env.example

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+# ==============================================
+# Maven + Java + Bun 开发容器配置模板
+# 使用方法: 复制此文件为 .env 并修改具体值
+# cp .env.example .env
+# ==============================================
+
+# === 端口配置 ===
+# SSH 连接端口 (宿主机)
+SSH_PORT=2222
+# Web 应用端口 (宿主机)
+APP_PORT=9090
+
+# === 路径配置 ===
+# 项目源码挂载路径 (本地路径)
+PROJECT_DIR=/workspace
+
+# === 镜像信息 ===
+IMAGE_NAME=maven-java21-bun-dev
+IMAGE_TAG=1.0
+CONTAINER_NAME=maven-devcontainer

java-maven/vibe-enhance-version/.gitignore

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+# === 敏感配置与本地环境 ===
+.env
+.DS_Store
+
+# === Java/Maven 编译产物 ===
+target/
+*.class
+*.jar
+*.war
+*.ear
+*.log
+
+# === IDE 配置文件 (可选，视团队规范而定) ===
+.idea/
+.vscode/
+*.iml
+.classpath
+.project
+.settings/
+

java-maven/vibe-enhance-version/Containerfile

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+FROM maven:3.9-eclipse-temurin-21
+
+# 1. 优化 APT源 (保持你原有的逻辑，但增加了错误处理的安全性)
+# 注意：eclipse-temurin-21 基于 Ubuntu，sources 路径正确
+RUN sed -i 's/security.ubuntu.com/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/ubuntu.sources && \
+    sed -i 's@//.*archive.ubuntu.com@//mirrors.ustc.edu.cn@g' /etc/apt/sources.list.d/ubuntu.sources && \
+    sed -i 's/http:/https:/g' /etc/apt/sources.list.d/ubuntu.sources
+
+# 2. 安装基础工具 + SSH Server
+#添加 openssh-server, locales, sudo 等开发常用包
+RUN apt-get update && \
+    apt-get install -y \
+    git curl vim ripgrep unzip netcat-openbsd bash-completion \
+    openssh-server locales sudo wget && \
+    # 清理缓存以减小镜像体积
+    rm -rf /var/lib/apt/lists/*
+
+# ============================
+# 2. 安装 Bun 和 Opencode
+# ============================
+# [关键] 设置 BUN_INSTALL 到 /opt 目录，防止被 /root 挂载卷覆盖
+ENV BUN_INSTALL="/opt/bun"
+ENV PATH="$BUN_INSTALL/bin:$PATH"
+
+# 安装 Bun
+RUN curl -fsSL https://bun.sh/install | bash
+
+# 使用 Bun 安装 opencode
+RUN bun install -g opencode-ai
+
+
+
+
+# 3. 配置 SSH 服务
+RUN mkdir /var/run/sshd && \
+    # 允许 root 登录 (Zed 需要连接用户)
+    sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config && \
+    # 修复 SSH 登录后的环境变量问题
+    sed -i 's@session\s*required\s*pam_loginuid.so@session optional pam_loginuid.so@g' /etc/pam.d/sshd
+
+
+# 5. 安装 Opencode (Vibe Coding 工具)
+# 假设 Opencode 是一个可以通过 curl 下载的二进制文件。
+# 请将下方的 URL 替换为 Opencode 的真实下载链接。
+# 如果 Opencode 是 npm 包，则需要先安装 nodejs。
+# 这里演示二进制安装模式：
+# RUN curl -L "https://path/to/opencode-linux-x64" -o /usr/local/bin/opencode && \
+#     chmod +x /usr/local/bin/opencode
+
+# 6. 设置工作目录
+WORKDIR /workspace
+
+# 7. 配置容器启动命令
+# 启动 SSH 服务并挂起容器
+CMD ["/bin/sh", "-c", "/usr/sbin/sshd -D"]

java-maven/vibe-enhance-version/Makefile

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+# 引用 .env 文件中的变量
+include .env
+export $(shell sed 's/=.*//' .env)
+
+.PHONY: help build up down restart logs shell clean ssh
+
+# 默认目标：显示帮助
+help:
+	@echo "🛠️  Maven + Java + Bun 开发环境管理工具"
+	@echo "=================================================="
+	@echo "make build    - 构建镜像"
+	@echo "make up       - 启动容器 (后台模式)"
+	@echo "make down     - 停止并移除容器"
+	@echo "make restart  - 重启容器"
+	@echo "make logs     - 查看容器日志"
+	@echo "make shell    - 进入容器终端 (Bash)"
+	@echo "make ssh      - 使用 SSH 连接容器 (测试连接)"
+	@echo "make clean    - ⚠️  深度清理 (移除容器、镜像和挂载的数据目录)"
+	@echo "=================================================="
+	@echo "当前配置:"
+	@echo "  SSH端口: $(SSH_PORT)"
+	@echo "  代码路径: $(PROJECT_DIR)"
+
+# 构建镜像
+build:
+	@echo "📦 正在构建镜像 $(IMAGE_NAME):$(IMAGE_TAG)..."
+	@docker compose build
+
+# 启动容器
+up:
+	@echo "🚀 正在启动开发环境..."
+	@docker compose up -d
+	@echo "✅ 服务已启动!"
+	@echo "   - SSH 连接: ssh -p $(SSH_PORT) root@localhost (密码: root)"
+	@echo "   - Zed 连接: ssh://root@localhost:$(SSH_PORT)"
+
+# 停止容器
+down:
+	@echo "🛑 正在停止容器..."
+	@docker compose down
+
+# 重启
+restart: down up
+
+# 查看日志
+logs:
+	@docker compose logs -f
+
+# 进入 Shell (通过 Docker exec)
+shell:
+	@docker exec -it $(CONTAINER_NAME) bash
+
+# SSH 连接测试
+ssh:
+	@ssh -p $(SSH_PORT) -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null root@localhost
+
+# 深度清理 (危险操作)
+clean: down
+	@echo "⚠️  正在清理..."
+	@read -p "确定要删除持久化数据目录 $(DATA_DIR) 吗? [y/N] " ans && [ $${ans:-N} = y ] || (echo "已取消"; exit 1)
+	@rm -rf $(DATA_DIR)
+	@echo "🧹 清理完成"

java-maven/vibe-enhance-version/compose.yml

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+services:
+  maven-dev-env:
+    image: maven-java21-dev:3.9-ssh
+    build:
+      context: .
+      dockerfile: Containerfile
+    container_name: maven-devcontainer
+    hostname: maven-devcontainer
+    restart: always
+    ports:
+      - "${APP_PORT:-9090}:9090"
+      - "${SSH_PORT:-2322}:22"       # [新增] SSH 端口，宿主机通过 localhost:2222 连接
+    volumes:
+      - ${PROJECT_DIR:-/workspace}:/workspace
+      # 持久化 Root 用户配置（包含 .ssh, .m2 缓存, .config/zed 等）
+      - /workspace/devcontainer-vols/maven-devcontainer-root:/root
+