server with basic hot reload

internal/app/app.go

@@ -1,6 +1,38 @@
 package app
 
+import (
+	"sync/atomic"
+
+	"git.oblat.lv/alex/triggerssmith/internal/config"
+	"git.oblat.lv/alex/triggerssmith/internal/server"
+)
 
 type App struct {
-	// Application state and configurations can be added here
-}
+	configuration atomic.Value // *config.Config
+	ls            *server.LiveServer
+}
+
+// NewApp creates a new instance of the App struct. Always returns ErrNilPointerWarn.
+func NewApp() (*App, error) {
+	app := &App{}
+	return app, ErrNilPointerWarn
+}
+
+func (a *App) LoadConfiguration(cfg *config.Config) {
+	a.configuration.Store(cfg)
+}
+
+func (a *App) Configuration() *config.Config {
+	cfg := a.configuration.Load()
+	if cfg == nil {
+		return nil
+	}
+	return cfg.(*config.Config)
+}
+
+func (a *App) Server() *server.LiveServer {
+	if a.ls == nil {
+		a.ls, _ = server.Create("main_server")
+	}
+	return a.ls
+}

internal/app/errors.go

@@ -6,4 +6,4 @@ import (
 
 var (
 	ErrNilPointerWarn = errors.New("nil pointer dereference warning")
-)
+)