精简项目：只保留 docker_logs + health + info 三个工具

- 移除 database/middleware 等复杂模块，先聚焦核心功能
- docker_logs：封装 docker logs --tail N <container>
- 修复 go.mod 版本为 1.24 匹配 Docker 构建镜像
- Dockerfile 改用 alpine + docker-cli，避免 scratch 无 shell 问题
- docker-compose.yml 简化为单服务定义

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

cmd/server/main.go

@@ -1,81 +1,27 @@
 package main
 
 import (
-	"flag"
-	"fmt"
 	"log/slog"
 	"os"
 
+	"ops-mcp/config"
 	"ops-mcp/internal/server"
 	"ops-mcp/internal/tool"
-
-	"ops-mcp/config"
 )
 
 func main() {
-	env := flag.String("env", "dev", "运行环境：dev | staging | prod")
-	flag.Parse()
-
-	// 结构化日志
 	slog.SetDefault(slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{
 		Level: slog.LevelInfo,
 	})))
 
-	if err := run(*env); err != nil {
+	cfg, err := config.Load()
+	if err != nil {
+		slog.Warn("config load failed, using defaults", "err", err)
+		cfg = &config.Config{Transport: "stdio"}
+	}
+
+	if err := server.Run(cfg.Transport, tool.NewDockerTool()); err != nil {
 		slog.Error("fatal", "err", err)
 		os.Exit(1)
 	}
 }
-
-func run(env string) error {
-	// 1. 加载配置
-	cfg, err := config.Load(env)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "Warning: could not load config file, using env vars only: %v\n", err)
-		cfg = &config.Config{
-			Env:    env,
-			Server: config.ServerConfig{Transport: "stdio", Addr: ":8080"},
-		}
-	}
-
-	slog.Info("config loaded", "env", cfg.Env, "transport", cfg.Server.Transport)
-
-	// 2. 收集工具
-	var tools []tool.Tool
-
-	// database 工具
-	if len(cfg.Databases) > 0 {
-		dbConfigs := make([]tool.DatabaseConf, 0, len(cfg.Databases))
-		for alias, db := range cfg.Databases {
-			dbConfigs = append(dbConfigs, tool.DatabaseConf{
-				Alias:  alias,
-				Driver: db.Driver,
-				DSN:    db.DSN,
-			})
-		}
-		tools = append(tools, tool.NewDatabaseTool(dbConfigs))
-	}
-
-	// docker 工具
-	if cfg.Docker.Enabled {
-		dockerTool, err := tool.NewDockerTool(tool.DockerOpts{
-	ContainerPattern: cfg.Docker.ContainerPattern,
-			MaxLogBytes:      cfg.Docker.MaxLogBytes,
-			MaxLogLines:      cfg.Docker.MaxLogLines,
-			MaxLogSince:      cfg.Docker.MaxLogSince,
-		})
-		if err != nil {
-			slog.Error("create docker tool", "err", err)
-		} else {
-			tools = append(tools, dockerTool)
-		}
-	}
-
-	// 3. 映射 server 配置
-	srvCfg := &server.Config{}
-	srvCfg.Server.Transport = cfg.Server.Transport
-	srvCfg.Server.Addr = cfg.Server.Addr
-
-	// 4. 启动
-	return server.Run(srvCfg, tools...)
-}