backend-service/cmd/server/main.go

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package main
import (
"context"
"log"
"net/http"
"os"
"os/signal"
"syscall"
"time"
"attune-heart-therapy/internal/config"
"attune-heart-therapy/internal/server"
"github.com/joho/godotenv"
)
func main() {
// Load environment variables
if err := godotenv.Load(); err != nil {
log.Println("No .env file found, using system environment variables")
}
// Load configuration
cfg, err := config.Load()
if err != nil {
log.Fatalf("Failed to load configuration: %v", err)
}
// Initialize server
srv := server.New(cfg)
// Setup graceful shutdown
quit := make(chan os.Signal, 1)
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
// Start server in a goroutine
go func() {
if err := srv.Start(); err != nil && err != http.ErrServerClosed {
log.Fatalf("Failed to start server: %v", err)
}
}()
log.Println("Server started successfully")
// Wait for interrupt signal
<-quit
log.Println("Shutting down server...")
// Create a deadline for shutdown
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
// Shutdown server gracefully
if err := srv.Shutdown(); err != nil {
log.Printf("Error during server shutdown: %v", err)
}
// Wait for context deadline or completion
<-ctx.Done()
log.Println("Server shutdown completed")
}