Add handler

cmd/relay/main.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+	"zooid/zooid"
+)
+
+func main() {
+	log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
+
+	shutdown := make(chan os.Signal, 1)
+	signal.Notify(shutdown, syscall.SIGINT, syscall.SIGTERM)
+
+	port := zooid.Env("PORT", "3334")
+	srv := &http.Server{
+		Addr:    fmt.Sprintf(":%s", port),
+		Handler: http.HandlerFunc(zooid.ServeHTTP),
+	}
+
+	go func() {
+		fmt.Printf("running on :%s\n", port)
+		if err := srv.ListenAndServe(); err != http.ErrServerClosed {
+			log.Printf("HTTP server error: %v\n", err)
+		}
+	}()
+
+	<-shutdown
+
+	fmt.Println("\nShutting down gracefully...")
+
+	shutdownCtx, shutdownCancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer shutdownCancel()
+
+	if err := srv.Shutdown(shutdownCtx); err != nil {
+		log.Printf("HTTP server shutdown error: %v\n", err)
+	}
+}