up

config/config.go

@@ -14,7 +14,7 @@ import (
 // Config holds all application configuration.
 type Config struct {
 	Database DatabaseConfig `yaml:"database"`
-	Port     string         `yaml:"port"`
+	Web      WebConfig      `yaml:"web"`
 	Path     string         `yaml:"path"`
 	Secret   string         `yaml:"secret"`
 }
@@ -25,6 +25,12 @@ type DatabaseConfig struct {
 	DSN  string `yaml:"dsn"`  // MySQL connection string (required when type is "mysql")
 }
 
+// WebConfig holds web-server listening configuration.
+type WebConfig struct {
+	Port   string `yaml:"port"`   // TCP port, "" or "0" to disable
+	Socket string `yaml:"socket"` // Unix socket path, "" to disable
+}
+
 const defaultPort = "8080"
 
 // mysqlExampleDSN is written into new config files as a reference.
@@ -64,6 +70,13 @@ func generateSecret() string {
 	return fmt.Sprintf("%x", hash)
 }
 
+// getDefaultSocketPath returns the OS-aware default unix socket path.
+func getDefaultSocketPath() string {
+	if runtime.GOOS == "linux" {
+		return "/opt/blog_go/web.sock"
+	}
+	return ""
+}
 // LoadConfig reads the config file or creates one with defaults.
 func LoadConfig() *Config {
 	configDir, configFile := getConfigPath()
@@ -81,7 +94,10 @@ func LoadConfig() *Config {
 				Type: "sqlite",
 				DSN:  mysqlExampleDSN,
 			},
-			Port:   defaultPort,
+			Web: WebConfig{
+				Port:   defaultPort,
+				Socket: getDefaultSocketPath(),
+			},
 			Path:   defaultPath,
 			Secret: generateSecret(),
 		}
@@ -116,8 +132,8 @@ func LoadConfig() *Config {
 
 // applyDefaults fills zero-value fields with sensible defaults.
 func applyDefaults(cfg *Config, defaultPath string) *Config {
-	if cfg.Port == "" {
-		cfg.Port = defaultPort
+	if cfg.Web.Port == "" {
+		cfg.Web.Port = defaultPort
 	}
 	if cfg.Database.Type == "" {
 		cfg.Database.Type = "sqlite"