Refactor project structure: enhance tests, improve server shutdown, expand CI checks, and update UI for better event presentation.

cmd/diunwebhook/main.go

@@ -1,17 +1,54 @@
 package main
 
 import (
+	"context"
 	"log"
 	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
 
 	diun "awesomeProject/pkg/diunwebhook"
 )
 
 func main() {
-	http.HandleFunc("/webhook", diun.WebhookHandler)
-	http.HandleFunc("/api/updates", diun.UpdatesHandler)
-	http.Handle("/", http.FileServer(http.Dir("./static")))
+	port := os.Getenv("PORT")
+	if port == "" {
+		port = "8080"
+	}
 
-	log.Println("Listening on :8080")
-	log.Fatal(http.ListenAndServe(":8080", nil))
+	mux := http.NewServeMux()
+	mux.HandleFunc("/webhook", diun.WebhookHandler)
+	mux.HandleFunc("/api/updates", diun.UpdatesHandler)
+	mux.Handle("/", http.FileServer(http.Dir("./static")))
+
+	srv := &http.Server{
+		Addr:         ":" + port,
+		Handler:      mux,
+		ReadTimeout:  10 * time.Second,
+		WriteTimeout: 10 * time.Second,
+		IdleTimeout:  60 * time.Second,
+	}
+
+	stop := make(chan os.Signal, 1)
+	signal.Notify(stop, syscall.SIGINT, syscall.SIGTERM)
+
+	go func() {
+		log.Printf("Listening on :%s", port)
+		if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+			log.Fatalf("ListenAndServe: %v", err)
+		}
+	}()
+
+	<-stop
+
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+
+	if err := srv.Shutdown(ctx); err != nil {
+		log.Printf("Shutdown error: %v", err)
+	} else {
+		log.Println("Server stopped cleanly")
+	}
 }