feat: initial router on main function

internal/config/chi_router.go

@@ -0,0 +1,51 @@
+package pkgconfig
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/sirupsen/logrus"
+	"golang.org/x/sync/errgroup"
+)
+
+func Router(apiRouter chi.Router) {
+	mainRouter := chi.NewRouter()
+
+	mainRouter.Mount("/", apiRouter)
+	mainCtx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
+	defer stop()
+
+	svr := &http.Server{
+		Addr:    fmt.Sprintf(":%d", APP_PORT),
+		Handler: mainRouter,
+	}
+
+	group, groupCtx := errgroup.WithContext(mainCtx)
+
+	group.Go(func() error {
+		logrus.Infof("Listening to port %d", APP_PORT)
+		return svr.ListenAndServe()
+	})
+
+	group.Go(func() error {
+		<-groupCtx.Done()
+
+		ctxTimeout, cancel := context.WithTimeout(mainCtx, GRACEFULL_TIMEOUT*time.Second)
+		defer cancel()
+
+		svr.Shutdown(ctxTimeout)
+
+		return nil
+	})
+
+	if err := group.Wait(); err != nil {
+		logrus.Errorf("system exit, reason: %v", err.Error())
+	} else {
+		logrus.Info("system exit normally")
+	}
+}

internal/config/server.go

@@ -0,0 +1,4 @@
+package pkgconfig
+
+const APP_PORT = 3000
+const GRACEFULL_TIMEOUT = 20