feat: initial implementation of container management platform

cmd/server/main.go

@@ -0,0 +1,109 @@
+package main
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"containr/internal/api"
+	"containr/internal/config"
+	"containr/internal/database"
+	"containr/internal/middleware"
+
+	"github.com/gin-gonic/gin"
+	"github.com/rs/cors"
+)
+
+func main() {
+	// Load configuration
+	cfg := config.Load()
+
+	// Initialize database
+	db, err := database.NewConnection(cfg.DatabaseURL)
+	if err != nil {
+		log.Fatalf("Failed to connect to database: %v", err)
+	}
+	defer db.Close()
+
+	// Run migrations
+	if err := db.Migrate("migrations"); err != nil {
+		log.Printf("Warning: Failed to run migrations: %v", err)
+	}
+
+	// Seed data for development
+	if cfg.Environment == "development" {
+		if err := db.SeedData(); err != nil {
+			log.Printf("Warning: Failed to seed data: %v", err)
+		}
+	}
+
+	// Initialize Redis
+	redis := database.NewRedis(cfg.RedisURL)
+
+	// Setup Gin router
+	if cfg.Environment == "production" {
+		gin.SetMode(gin.ReleaseMode)
+	}
+
+	router := gin.New()
+
+	// Add middleware
+	router.Use(middleware.Logger())
+	router.Use(middleware.Recovery())
+	router.Use(middleware.RequestID())
+
+	// CORS setup
+	c := cors.New(cors.Options{
+		AllowedOrigins:   cfg.CORS.AllowedOrigins,
+		AllowedMethods:   []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
+		AllowedHeaders:   []string{"Origin", "Content-Type", "Authorization"},
+		ExposedHeaders:   []string{"Content-Length"},
+		AllowCredentials: true,
+		MaxAge:           86400,
+	})
+
+	// Wrap Gin router with CORS
+	handler := c.Handler(router)
+
+	// Initialize API routes
+	api.SetupRoutes(router, db, redis, cfg)
+
+	// Create HTTP server
+	server := &http.Server{
+		Addr:         ":" + cfg.Port,
+		Handler:      handler,
+		ReadTimeout:  15 * time.Second,
+		WriteTimeout: 15 * time.Second,
+		IdleTimeout:  60 * time.Second,
+	}
+
+	// Start server in a goroutine
+	go func() {
+		log.Printf("Server starting on port %s", cfg.Port)
+		if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+			log.Fatalf("Failed to start server: %v", err)
+		}
+	}()
+
+	// Wait for interrupt signal to gracefully shutdown the server
+	quit := make(chan os.Signal, 1)
+	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
+	<-quit
+
+	log.Println("Shutting down server...")
+
+	// Create a deadline for shutdown
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	// Attempt graceful shutdown
+	if err := server.Shutdown(ctx); err != nil {
+		log.Printf("Server forced to shutdown: %v", err)
+	}
+
+	log.Println("Server exited")
+}