fix(otel): 修正otel环境变量名称和初始化配置

- 将docker-compose中多个服务的serverName环境变量替换为OTEL_SERVICE_NAME
- 将OTEL_COLLECTOR_URL环境变量替换为OTEL_EXPORTER_ENDPOINT以统一命名
- main.go中移除未使用依赖，简化变量声明
- otel配置从环境变量获取OTEL_EXPORTER_ENDPOINT，默认地址保持不变
- otel配置赋值时去除不必要的String转换保持类型一致性

docker-compose.yml

@@ -27,7 +27,7 @@ services:
     container_name: kami-merchant-$BRANCH-$VERSION
     restart: always
     environment:
-      serverName: $SERVER_NAME
+      serverName: $OTEL_SERVICE_NAME
       gatewayAddr: $gatewayAddr
       shopAddr: $shopAddr
       portalAddr: $portalAddr
@@ -48,7 +48,7 @@ services:
     container_name: kami-backend-$BRANCH-$VERSION
     restart: always
     environment:
-      OTEL_COLLECTOR_URL: $OTEL_COLLECTOR_URL
+      OTEL_EXPORTER_ENDPOINT: $OTEL_EXPORTER_ENDPOINT
       OTEL_SERVICE_NAME: $OTEL_SERVICE_NAME
       gatewayAddr: $gatewayAddr
       shopAddr: $shopAddr
@@ -70,7 +70,7 @@ services:
     container_name: kami-shop-$BRANCH-$VERSION
     restart: always
     environment:
-      serverName: $SERVER_NAME
+      serverName: $OTEL_SERVICE_NAME
       gatewayAddr: $gatewayAddr
       shopAddr: $shopAddr
       portalAddr: $portalAddr
@@ -91,8 +91,8 @@ services:
     container_name: kami-gateway-$BRANCH-$VERSION
     restart: always
     environment:
-      OTEL_COLLECTOR_URL: $OTEL_COLLECTOR_URL
-      OTEL_SERVICE_NAME: $SERVER_NAME
+      OTEL_EXPORTER_ENDPOINT: $OTEL_EXPORTER_ENDPOINT
+      OTEL_SERVICE_NAME: $OTEL_SERVICE_NAME
       gatewayAddr: $gatewayAddr
       shopAddr: $shopAddr
       portalAddr: $portalAddr
@@ -113,7 +113,7 @@ services:
     container_name: kami-boss-$BRANCH-$VERSION
     restart: always
     environment:
-      serverName: $SERVER_NAME
+      serverName: $OTEL_SERVICE_NAME
       gatewayAddr: $gatewayAddr
       shopAddr: $shopAddr
       portalAddr: $portalAddr
@@ -134,7 +134,7 @@ services:
     container_name: kami-frontend-$BRANCH-$VERSION
     restart: always
     environment:
-      serverName: $SERVER_NAME
+      serverName: $OTEL_SERVICE_NAME
       gatewayAddr: $gatewayAddr
       shopAddr: $shopAddr
       portalAddr: $portalAddr

main.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"github.com/duke-git/lancet/v2/pointer"
 	_ "github.com/gogf/gf/contrib/drivers/mysql/v2"
 	_ "github.com/gogf/gf/contrib/nosql/redis/v2"
 	"github.com/gogf/gf/v2/os/gctx"
@@ -18,8 +17,7 @@ import (
 )
 
 var (
-	serviceName  = "后台服务"
-	collectorURL = "38.38.251.113:31547"
+	serviceName = "后台服务"
 )
 
 func main() {
@@ -30,15 +28,15 @@ func main() {
 	}
 
 	// 从环境变量获取OTEL收集器地址，如果不存在则使用默认值
-	collectorURL := genv.Get("OTEL_COLLECTOR_URL")
-	if collectorURL.IsNil() {
-		collectorURL = genv.New("38.38.251.113:31547")
+	collectorURL := genv.Get("OTEL_EXPORTER_ENDPOINT").String()
+	if collectorURL == "" {
+		collectorURL = "38.38.251.113:31547"
 	}
 
 	// 初始化OpenTelemetry系统（简化版，与GoFrame集成）
 	config := otel.DefaultConfig()
 	config.ServiceName = serviceName
-	config.CollectorURL = collectorURL.String()
+	config.CollectorURL = collectorURL
 	config.Insecure = true // 根据实际环境调整
 	//config.Headers = map[string]string{
 	//	"x-service-token": "your-token-here", // 如果需要认证token