init

internal/app/run.go

@@ -0,0 +1,56 @@
+package app
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	_ "github.com/jackc/pgx/v5/stdlib"
+	"github.com/joho/godotenv"
+)
+
+func Run() error {
+	_ = godotenv.Load()
+	cfg, err := loadConfig()
+	if err != nil {
+		return fmt.Errorf("config error: %w", err)
+	}
+	db, err := sql.Open("pgx", cfg.DatabaseURL)
+	if err != nil {
+		return fmt.Errorf("database open error: %w", err)
+	}
+	defer db.Close()
+	if err := db.Ping(); err != nil {
+		return fmt.Errorf("database ping error: %w", err)
+	}
+	app := &App{cfg: cfg, db: db}
+	if err := app.migrate(context.Background()); err != nil {
+		return fmt.Errorf("migration error: %w", err)
+	}
+	handler := app.routes()
+	servers, cleanup, err := startServers(cfg, handler)
+	if err != nil {
+		return fmt.Errorf("server start error: %w", err)
+	}
+	defer cleanup()
+
+	log.Printf("server started: tcp=%q unix=%q dev_mode=%t", cfg.ListenAddr, cfg.UnixSocketPath, cfg.DevMode)
+	sigCh := make(chan os.Signal, 1)
+	signal.Notify(sigCh, os.Interrupt, syscall.SIGTERM)
+	<-sigCh
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	for _, s := range servers {
+		if err := s.Shutdown(ctx); err != nil {
+			log.Printf("shutdown error: %v", err)
+		}
+	}
+	log.Printf("shutdown complete")
+	return nil
+}