添加 otel 相关环境变量，优化部署配置

pkg/env/env.go

@@ -36,6 +36,9 @@ var (
 	RedisPort     = "6379"
 	RedisPassword = ""
 
+	OtelHost string
+	OtelPort string
+
 	BaiyinCloudUrl string
 	BaiyinTokenUrl string
 
@@ -115,6 +118,9 @@ func Init() {
 	errs = append(errs, parse(&RedisPort, "REDIS_PORT", true, nil))
 	errs = append(errs, parse(&RedisPassword, "REDIS_PASS", true, nil))
 
+	errs = append(errs, parse(&OtelHost, "OTEL_HOST", true, nil))
+	errs = append(errs, parse(&OtelPort, "OTEL_PORT", true, nil))
+
 	errs = append(errs, parse(&BaiyinCloudUrl, "BAIYIN_CLOUD_URL", false, nil))
 	errs = append(errs, parse(&BaiyinTokenUrl, "BAIYIN_TOKEN_URL", false, nil))