fix: build

backend/cmd/config.go

@@ -13,6 +13,7 @@ type cliParams struct {
 	ListenAddr   string
 	ListenPort   int
 	DataDir      string
+	StaticDir    string
 	SettingsFile string
 }
 
@@ -41,5 +42,16 @@ func (p *cliParams) Validate() error {
 		return fmt.Errorf("failed to create images directory: %w", err)
 	}
 
+	// Validate Static Directory
+	if p.StaticDir != "" {
+		info, err := os.Stat(p.StaticDir)
+		if err != nil {
+			return fmt.Errorf("failed to access static directory: %w", err)
+		}
+		if !info.IsDir() {
+			return fmt.Errorf("static directory is not a directory: %s", p.StaticDir)
+		}
+	}
+
 	return nil
 }

backend/cmd/main.go

@@ -16,12 +16,14 @@ var (
 		ListenAddr: getEnvOrDefault("LISTEN", "localhost"),
 		ListenPort: getEnvIntOrDefault("PORT", 8080),
 		DataDir:    getEnvOrDefault("DATA_DIR", "./data"),
+		StaticDir:  getEnvOrDefault("STATIC_DIR", ""),
 	}
 	rootCmd = &cobra.Command{Use: "aethera"}
 )
 
 func init() {
 	rootCmd.PersistentFlags().StringVar(&params.DataDir, "data-dir", params.DataDir, "Directory to store generated images (env: AETHERA_DATA_DIR)")
+	rootCmd.PersistentFlags().StringVar(&params.StaticDir, "static-dir", params.StaticDir, "Directory to serve static frontend files from instead of embedded assets (env: AETHERA_STATIC_DIR)")
 	rootCmd.PersistentFlags().StringVar(&params.ListenAddr, "listen", params.ListenAddr, "Address to listen on (env: AETHERA_LISTEN)")
 	rootCmd.PersistentFlags().IntVar(&params.ListenPort, "port", params.ListenPort, "Port to listen on (env: AETHERA_PORT)")
 }
@@ -40,7 +42,7 @@ func main() {
 
 	// Start Server
 	rootCmd.Run = func(cmd *cobra.Command, args []string) {
-		server.StartServer(fileStore, params.DataDir, params.ListenAddr, params.ListenPort)
+		server.StartServer(fileStore, params.DataDir, params.StaticDir, params.ListenAddr, params.ListenPort)
 	}
 
 	if err := rootCmd.Execute(); err != nil {