Initial commit

cmd/api/main.go

@@ -0,0 +1,101 @@
+package main
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"stream.api/internal/app"
+	"stream.api/internal/config"
+	"stream.api/internal/database/query"
+	"stream.api/pkg/cache"
+	"stream.api/pkg/database"
+	"stream.api/pkg/logger"
+	"stream.api/pkg/token"
+)
+
+// @title           Stream API
+// @version         1.0
+// @description     This is the API server for Stream application.
+// @termsOfService  http://swagger.io/terms/
+
+// @contact.name    API Support
+// @contact.url     http://www.swagger.io/support
+// @contact.email   support@swagger.io
+
+// @license.name    Apache 2.0
+// @license.url     http://www.apache.org/licenses/LICENSE-2.0.html
+
+// @host            localhost:8080
+// @BasePath        /
+// @securityDefinitions.apikey BearerAuth
+// @in header
+// @name Authorization
+func main() {
+	// 1. Load Config
+	cfg, err := config.LoadConfig()
+	if err != nil {
+		// Use default if env/file issues, usually LoadConfig returns error only on serious issues
+		// But here if it returns error we might want to panic
+		log.Fatalf("Failed to load config: %v", err)
+	}
+
+	// 2. Connect DB
+	db, err := database.Connect(cfg.Database.DSN)
+	if err != nil {
+		log.Fatalf("Failed to connect to database: %v", err)
+	}
+	// Initialize generated query
+	query.SetDefault(db)
+
+	// 3. Connect Redis (Cache Interface)
+	rdb, err := cache.NewRedisCache(cfg.Redis.Addr, cfg.Redis.Password, cfg.Redis.DB)
+	if err != nil {
+		log.Fatalf("Failed to connect to redis: %v", err)
+	}
+	defer rdb.Close() // Ensure we close cache on exit
+
+	// 4. Initialize Components
+	tokenProvider := token.NewJWTProvider(cfg.JWT.Secret)
+	appLogger := logger.NewLogger(cfg.Server.Mode)
+
+	// 5. Setup Router
+	r := app.SetupRouter(cfg, db, rdb, tokenProvider, appLogger)
+
+	// 5. Run Server with Graceful Shutdown
+	srv := &http.Server{
+		Addr:    ":" + cfg.Server.Port,
+		Handler: r,
+	}
+
+	go func() {
+		log.Printf("Starting server on port %s", cfg.Server.Port)
+		if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+			log.Fatalf("Failed to run server: %v", err)
+		}
+	}()
+
+	// Wait for interrupt signal to gracefully shutdown the server with
+	// a timeout of 5 seconds.
+	quit := make(chan os.Signal, 1)
+	// kill (no param) default send syscall.SIGTERM
+	// kill -2 is syscall.SIGINT
+	// kill -9 is syscall.SIGKILL but can't be caught, so don't need to add it
+	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
+	<-quit
+	log.Println("Shutting down server...")
+
+	// The context is used to inform the server it has 5 seconds to finish
+	// the request it is currently handling
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+	if err := srv.Shutdown(ctx); err != nil {
+		log.Fatal("Server forced to shutdown: ", err)
+	}
+
+	log.Println("Server exiting")
+}