feat: add integrated web frontend

internal/config/config.go

@@ -14,6 +14,7 @@ import (
 
 type Config struct {
 	Listen       string        `json:"listen"`
+	FrontendDir  string        `json:"frontend_dir"`
 	MySQL        MySQLConfig   `json:"mysql"`
 	Redis        RedisConfig   `json:"redis"`
 	Auth         AuthConfig    `json:"auth"`
@@ -65,7 +66,8 @@ func Load() (*Config, error) {
 
 func defaultConfig() *Config {
 	return &Config{
-		Listen: ":6061",
+		Listen:      ":6061",
+		FrontendDir: "web/dist",
 		MySQL: MySQLConfig{
 			DSN:          "root:root@tcp(127.0.0.1:3306)/olons_admin?parseTime=true&charset=utf8mb4&loc=Local",
 			MaxOpenConns: 15,
@@ -85,6 +87,7 @@ func defaultConfig() *Config {
 
 func applyEnv(cfg *Config) {
 	setString(&cfg.Listen, "WORKBENCH_LISTEN")
+	setString(&cfg.FrontendDir, "WORKBENCH_FRONTEND_DIR")
 	setString(&cfg.MySQL.DSN, "WORKBENCH_MYSQL_DSN")
 	setInt(&cfg.MySQL.MaxOpenConns, "WORKBENCH_MYSQL_MAX_OPEN_CONNS")
 	setInt(&cfg.MySQL.MaxIdleConns, "WORKBENCH_MYSQL_MAX_IDLE_CONNS")