Update structure to domain driven architecture.

2026-05-08 08:14:25 +02:00
parent 4f3692abd9
commit 2993cc04ef
21 changed files with 185 additions and 103 deletions
@@ -0,0 +1,103 @@
+package main
+
+import (
+	"context"
+	"log"
+	"log/slog"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"nfeeder/db"
+	"nfeeder/web"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+func main() {
+
+	// INFO: Logger
+	// ------------------------------------------------------------
+	var handler slog.Handler
+	if os.Getenv("ENV") == "production" {
+		handler = slog.NewJSONHandler(os.Stdout, nil)
+	} else {
+		handler = slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelDebug})
+	}
+	logger := slog.New(handler)
+
+	ctx, ctxCancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer ctxCancel()
+
+	// INFO:DB
+	// ------------------------------------------------------------
+	connStr := os.Getenv("DATABASE_URL")
+	if connStr == "" {
+		log.Fatal("DATABASE_URL environment variable is not set")
+	}
+
+	poolConfig, err := pgxpool.ParseConfig(connStr)
+	if err != nil {
+		log.Fatalf("Unable to parse DATABASE_URL: %v", err)
+	}
+
+	poolConfig.MaxConns = 25
+	poolConfig.MinConns = 5
+	poolConfig.MaxConnLifetime = 5 * time.Minute
+	poolConfig.MaxConnIdleTime = 30 * time.Second
+
+	pool, err := pgxpool.NewWithConfig(ctx, poolConfig)
+	if err != nil {
+		log.Fatalf("Unable to create connection pool: %v", err)
+	}
+
+	// Verify the connection is alive before proceeding
+	if err := pool.Ping(ctx); err != nil {
+		log.Fatalf("Unable to reach database: %v", err)
+	}
+	logger.Info("database connection established", "max_conns", poolConfig.MaxConns, "min_conns", poolConfig.MinConns)
+
+	defer func() {
+		pool.Close()
+		logger.Info("database pool closed")
+	}()
+
+	// Create Store sqlc wrapper
+	store := db.NewStore(pool)
+
+	// INFO: Server
+	// ------------------------------------------------------------
+	jwtSecret := os.Getenv("JWT_SECRET")
+	if jwtSecret == "" {
+		log.Fatal("JWT_SECRET environment variable is required")
+	}
+	server := web.NewServer(store, logger, jwtSecret)
+
+	// We run it in a goroutine so it doesn't block main from reaching the signal listener.
+	go func() {
+		addr := os.Getenv("SERVER_PORT")
+		if connStr == "" {
+			log.Fatal("SERVER_PORT environment variable is not set")
+		}
+
+		if err := server.Start(addr); err != nil && err != http.ErrServerClosed {
+			log.Fatalf("Server failed: %v", err)
+		}
+	}()
+
+	// INFO: GracefulShutdown
+	// ------------------------------------------------------------
+	<-ctx.Done()
+	logger.Warn("shutdown signal received", "signal", "SIGTERM/Interrupt")
+
+	shutdownCtx, shutdownCtxCancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer shutdownCtxCancel()
+
+	if err := server.Shutdown(shutdownCtx); err != nil {
+		log.Fatalf("Graceful shutdown failed: %v", err)
+	}
+
+	logger.Info("Server shutdown successful")
+}