修复 Docker 构建 + 端口可配置

- Dockerfile 设置 GOPROXY=https://goproxy.cn,direct 解决国内网络问题
- 新增 addr 配置项，支持自定义端口，默认 :8080
- docker-compose 端口改为 ${OPS_MCP_PORT:-9090}
- 移除 EXPOSE 指令（端口通过 compose 管理）

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

.env.example

@@ -1 +1 @@
-OPS_MCP_TRANSPORT=sse
+OPS_MCP_PORT=9090

Dockerfile

@@ -1,5 +1,7 @@
 FROM golang:1.24-alpine AS builder
 
+ENV GOPROXY=https://goproxy.cn,direct
+
 WORKDIR /app
 
 COPY go.mod go.sum ./
@@ -15,5 +17,4 @@ RUN apk add --no-cache docker-cli ca-certificates
 COPY --from=builder /server /server
 COPY config/ /config/
 
-EXPOSE 8080
 ENTRYPOINT ["/server"]

cmd/server/main.go

@@ -17,10 +17,10 @@ func main() {
 	cfg, err := config.Load()
 	if err != nil {
 		slog.Warn("config load failed, using defaults", "err", err)
-		cfg = &config.Config{Transport: "stdio"}
+		cfg = &config.Config{Transport: "stdio", Addr: ":8080"}
 	}
 
-	if err := server.Run(cfg.Transport, tool.NewDockerTool()); err != nil {
+	if err := server.Run(cfg.Transport, cfg.Addr, tool.NewDockerTool()); err != nil {
 		slog.Error("fatal", "err", err)
 		os.Exit(1)
 	}

config/config.go

@@ -8,6 +8,7 @@ import (
 
 type Config struct {
 	Transport string `mapstructure:"transport"` // stdio | sse
+	Addr      string `mapstructure:"addr"`       // 监听地址，默认 :8080
 }
 
 func Load() (*Config, error) {
@@ -20,8 +21,8 @@ func Load() (*Config, error) {
 	v.SetEnvPrefix("OPS_MCP")
 	v.AutomaticEnv()
 	v.SetDefault("transport", "stdio")
+	v.SetDefault("addr", ":8080")
 
-	// 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 {
 		slog.Warn("no config file found, using defaults and env vars", "err", err)
 	}

docker-compose.yml

@@ -6,7 +6,10 @@ services:
     image: ops-mcp:latest
     container_name: ops-mcp
     restart: unless-stopped
+    ports:
+      - "${OPS_MCP_PORT:-9090}:${OPS_MCP_PORT:-9090}"
     environment:
       - OPS_MCP_TRANSPORT=sse
+      - OPS_MCP_ADDR=:${OPS_MCP_PORT:-9090}
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock:ro

internal/server/server.go

@@ -16,7 +16,7 @@ import (
 const version = "0.1.0"
 
 // Run 启动 MCP Server。
-func Run(transport string, tools ...tool.Tool) error {
+func Run(transport, addr string, tools ...tool.Tool) error {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
@@ -60,8 +60,8 @@ func Run(transport string, tools ...tool.Tool) error {
 		slog.Info("starting MCP server", "transport", "stdio")
 		return server.ServeStdio(mcpServer)
 	case "sse":
-		slog.Info("starting MCP server", "transport", "sse", "addr", ":8080")
+		slog.Info("starting MCP server", "transport", "sse", "addr", addr)
-		return server.NewSSEServer(mcpServer).Start(":8080")
+		return server.NewSSEServer(mcpServer).Start(addr)
 	default:
 		return fmt.Errorf("unknown transport: %s", transport)
 	}