Squashed commit of the following:

commit 5b11756af6
Author: netscrawler <mariarthyjamesoo@gmail.com>
Date:   Thu Jul 4 00:44:15 2024 +0300

    v0.1

commit c99f477e35
Author: netscrawler <mariarthyjamesoo@gmail.com>
Date:   Sun Jun 30 20:44:53 2024 +0300

    v0.0.6

internal/app/app.go

@@ -0,0 +1,24 @@
+package app
+
+import (
+	grpcapp "converter/internal/app/grpc"
+	"log/slog"
+	"time"
+)
+
+type App struct {
+	GRPCSrv *grpcapp.App
+}
+
+func New(
+	log *slog.Logger,
+	grpcPort int,
+	tokenTTl time.Duration) *App {
+	//TODO: инициализировать хранилище
+	//TODO: init convert service
+
+	grpcApp := grpcapp.New(log, grpcPort)
+	return &App{
+		GRPCSrv: grpcApp,
+	}
+}

internal/app/grpc/app.go

@@ -0,0 +1,63 @@
+package grpcapp
+
+import (
+	convertgrpc "converter/internal/grpc/cnvrt"
+	"converter/internal/services/converter"
+	"fmt"
+	"google.golang.org/grpc"
+	"log/slog"
+	"net"
+)
+
+type App struct {
+	log        *slog.Logger
+	gRPCServer *grpc.Server
+	port       int
+}
+
+func New(
+	log *slog.Logger,
+	port int) *App {
+	gRPCServer := grpc.NewServer()
+	convert := converter.New(log)
+	convertgrpc.Register(gRPCServer, convert)
+
+	return &App{
+		log:        log,
+		gRPCServer: gRPCServer,
+		port:       port,
+	}
+
+}
+
+func (a *App) MustRun() {
+	if err := a.Run(); err != nil {
+		panic(err)
+	}
+}
+
+func (a *App) Run() error {
+	const op = "grpcapp.Run"
+	log := a.log.With(
+		slog.String("op", op),
+		slog.Int("port", a.port))
+
+	l, err := net.Listen("tcp", fmt.Sprintf(":%d", a.port))
+	if err != nil {
+		return fmt.Errorf("%s: %w", op, err)
+	}
+	log.Info("gRPC server is running", slog.String("addr", l.Addr().String()))
+
+	if err := a.gRPCServer.Serve(l); err != nil {
+		return fmt.Errorf("%s: %w", op, err)
+	}
+	return nil
+}
+
+func (a *App) Stop() {
+	const op = "grpcapp.Stop"
+
+	a.log.With(slog.String("op", op)).
+		Info("stopping gRPC server", slog.Int("port", a.port))
+	a.gRPCServer.GracefulStop()
+}