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>

config/config.go

@@ -1,81 +1,34 @@
 package config
 
 import (
-	"fmt"
-	"time"
+	"log/slog"
 
 	"github.com/spf13/viper"
 )
 
 type Config struct {
-	Env       string                  `mapstructure:"env"`
-	Server    ServerConfig            `mapstructure:"server"`
-	Databases map[string]DatabaseConf `mapstructure:"databases"`
-	Docker    DockerConfig            `mapstructure:"docker"`
-	Auth      AuthConfig              `mapstructure:"auth"`
-	RateLimit RateLimitConfig         `mapstructure:"rate_limit"`
-}
-
-type ServerConfig struct {
 	Transport string `mapstructure:"transport"` // stdio | sse
-	Addr      string `mapstructure:"addr"`       // :8080 for SSE mode
 }
 
-type DatabaseConf struct {
-	Driver string `mapstructure:"driver"` // postgres | mysql
-	DSN    string `mapstructure:"dsn"`
-}
-
-type DockerConfig struct {
-	Enabled          bool                  `mapstructure:"enabled"`
-	Host             string                `mapstructure:"host"` // unix:///var/run/docker.sock
-	ContainerPattern string                `mapstructure:"container_pattern"`
-	MaxLogBytes      int64                 `mapstructure:"max_log_bytes"`
-	MaxLogLines      int                   `mapstructure:"max_log_lines"`
-	MaxLogSince      time.Duration         `mapstructure:"max_log_since"`
-}
-
-type AuthConfig struct {
-	Enabled    bool              `mapstructure:"enabled"`
-	APIKeys    map[string]string `mapstructure:"api_keys"`  // key → description
-	JWTSecret  string            `mapstructure:"jwt_secret"`
-}
-
-type RateLimitConfig struct {
-	Enabled bool    `mapstructure:"enabled"`
-	Rate    float64 `mapstructure:"rate"`   // 每秒允许的请求数
-	Burst   int     `mapstructure:"burst"`  // 突发允许数
-}
-
-func Load(env string) (*Config, error) {
+func Load() (*Config, error) {
 	v := viper.New()
-
-	v.SetConfigName(env)  // dev.yaml / staging.yaml / prod.yaml
+	v.SetConfigName("config")
 	v.SetConfigType("yaml")
 	v.AddConfigPath("./config")
 	v.AddConfigPath(".")
 	v.AddConfigPath("/config")
-
 	v.SetEnvPrefix("OPS_MCP")
 	v.AutomaticEnv()
+	v.SetDefault("transport", "stdio")
 
+	// 配置文件不存在不算错误，直接用默认值 + 环境变量
 	if err := v.ReadInConfig(); err != nil {
-		return nil, fmt.Errorf("read config: %w", err)
+		slog.Warn("no config file found, using defaults and env vars", "err", err)
 	}
 
-	// 设置默认值
-	v.SetDefault("server.transport", "stdio")
-	v.SetDefault("server.addr", ":8080")
-	v.SetDefault("docker.max_log_bytes", 1024*1024)
-	v.SetDefault("docker.max_log_lines", 500)
-	v.SetDefault("docker.max_log_since", "1h")
-	v.SetDefault("rate_limit.rate", 10.0)
-	v.SetDefault("rate_limit.burst", 20)
-
-	var cfg Config
-	if err := v.Unmarshal(&cfg); err != nil {
-		return nil, fmt.Errorf("unmarshal config: %w", err)
+	cfg := &Config{}
+	if err := v.Unmarshal(cfg); err != nil {
+		return nil, err
 	}
-
-	return &cfg, nil
+	return cfg, nil
 }

config/dev.yaml

@@ -1,23 +1 @@
-env: dev
-
-server:
-  transport: stdio
-  addr: ":8080"
-
-databases:
-  local_pg:
-    driver: postgres
-    dsn: postgres://postgres:postgres@localhost:5432/ops_dev?sslmode=disable
-
-docker:
-  enabled: false
-  host: unix:///var/run/docker.sock
-  container_pattern: "^(app-|web-|api-).*"
-
-auth:
-  enabled: false
-
-rate_limit:
-  enabled: false
-  rate: 50
-  burst: 100
+transport: stdio

config/prod.yaml

@@ -1,24 +1 @@
-env: prod
-
-server:
-  transport: sse
-  addr: ":8080"
-
-databases:
-  main_db:
-    driver: postgres
-    dsn: postgres://ops_readonly:${DB_PASSWORD}@db-prod.internal:5432/ops?sslmode=require
-
-docker:
-  enabled: true
-  host: unix:///var/run/docker.sock
-  container_pattern: "^(app-|web-|api-|worker-).*"
-
-auth:
-  enabled: true
-  jwt_secret: ${JWT_SECRET}
-
-rate_limit:
-  enabled: true
-  rate: 10
-  burst: 20
+transport: sse

config/staging.yaml

@@ -1,24 +0,0 @@
-env: staging
-
-server:
-  transport: sse
-  addr: ":8080"
-
-databases:
-  main_db:
-    driver: postgres
-    dsn: postgres://ops_readonly:${DB_PASSWORD}@db-staging.internal:5432/ops?sslmode=require
-
-docker:
-  enabled: true
-  host: unix:///var/run/docker.sock
-  container_pattern: "^(app-|web-|api-|worker-).*"
-
-auth:
-  enabled: true
-  jwt_secret: ${JWT_SECRET}
-
-rate_limit:
-  enabled: true
-  rate: 20
-  burst: 40