简化API节点的数据库配置（db.yaml）

internal/configs/db_config.go

@@ -0,0 +1,25 @@
+// Copyright 2024 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package configs
+
+import (
+	"errors"
+	"github.com/iwind/TeaGo/Tea"
+	"github.com/iwind/TeaGo/dbs"
+	"gopkg.in/yaml.v3"
+	"os"
+)
+
+func LoadDBConfig() (*dbs.Config, error) {
+	var config = &dbs.Config{}
+	for _, filename := range []string{".db.yaml", "db.yaml"} {
+		configData, err := os.ReadFile(Tea.ConfigFile(filename))
+		if err != nil {
+			continue
+		}
+		err = yaml.Unmarshal(configData, config)
+		return config, err
+	}
+
+	return nil, errors.New("could not find database config file '.db.yaml' or 'db.yaml'")
+}