Scaffold project

cmd/gateway/main.go

@@ -0,0 +1,61 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/yourusername/go-llm-gateway/internal/config"
+	"github.com/yourusername/go-llm-gateway/internal/providers"
+	"github.com/yourusername/go-llm-gateway/internal/server"
+)
+
+func main() {
+	var configPath string
+	flag.StringVar(&configPath, "config", "config.yaml", "path to config file")
+	flag.Parse()
+
+	cfg, err := config.Load(configPath)
+	if err != nil {
+		log.Fatalf("load config: %v", err)
+	}
+
+	registry, err := providers.NewRegistry(cfg.Providers)
+	if err != nil {
+		log.Fatalf("init providers: %v", err)
+	}
+
+	logger := log.New(os.Stdout, "gateway ", log.LstdFlags|log.Lshortfile)
+
+	gatewayServer := server.New(registry, logger)
+	mux := http.NewServeMux()
+	gatewayServer.RegisterRoutes(mux)
+
+	addr := cfg.Server.Address
+	if addr == "" {
+		addr = ":8080"
+	}
+
+	srv := &http.Server{
+		Addr:         addr,
+		Handler:      loggingMiddleware(mux, logger),
+		ReadTimeout:  15 * time.Second,
+		WriteTimeout: 60 * time.Second,
+		IdleTimeout:  120 * time.Second,
+	}
+
+	logger.Printf("Open Responses gateway listening on %s", addr)
+	if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+		logger.Fatalf("server error: %v", err)
+	}
+}
+
+func loggingMiddleware(next http.Handler, logger *log.Logger) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		start := time.Now()
+		next.ServeHTTP(w, r)
+		logger.Printf("%s %s %s", r.Method, r.URL.Path, time.Since(start))
+	})
+}