benerin error

cmd/server/main.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"5803025029/w04/internal/config"
+	"5803025029/w04/internal/database"
+
+)
+
+func main() {
+	if err := config.LoadEnv(); err != nil {
+		fmt.Fprintf(os.Stderr, "Unable to load env: %v\n", err)
+		os.Exit(1)
+	}
+
+	conn, err := database.Connect()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Unable to connect to database: %v\n", err)
+		os.Exit(1)
+	}
+	defer conn.Close(context.Background())
+
+	var name string
+	var weight int64
+	err = conn.QueryRow(context.Background(), "select name, weight from widgets where id=$1", 42).Scan(&name, &weight)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "QueryRow failed: %v\n", err)
+		os.Exit(1)
+	}
+
+	fmt.Println(name, weight)
+}