root ctx + graceful shutdown

internal/app/handler.go

@@ -1,24 +1,48 @@
 package app
 
 import (
+	"context"
 	log "github.com/sirupsen/logrus"
 	"task-processor/config"
+	"time"
 )
 
 type App struct {
-	config config.Config
+	config  config.Config
+	rootCtx context.Context
 }
 
 type Deps struct {
-	Config config.Config
+	Config  config.Config
+	RootCtx context.Context
 }
 
 func NewApp(deps Deps) *App {
 	return &App{
-		config: deps.Config,
+		config:  deps.Config,
+		rootCtx: deps.RootCtx,
 	}
 }
 
-func (app *App) Run() {
+func (app *App) Run() error {
 	log.Info("App started")
+
+	errChan := make(chan error, 3)
+
+	select {
+	case <-app.rootCtx.Done():
+		return app.Shutdown()
+
+	case err := <-errChan:
+		return err
+	}
+}
+
+func (app *App) Shutdown() error {
+	log.Info("App shutting down")
+	ctx, cancel := context.WithTimeout(app.rootCtx, time.Second*10)
+	defer cancel()
+
+	_ = ctx
+	return nil
 }