Init project

main.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+	"github.com/joho/godotenv"
+)
+
+func main() {
+	err := godotenv.Load()
+	if err != nil {
+		log.Fatal("Error al cargar el archivo .env")
+	}
+
+	dbpool, err := pgxpool.New(context.Background(), os.Getenv("DATABASE_URL"))
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Unable to create connection pool: %v\n", err)
+		os.Exit(1)
+	}
+	defer dbpool.Close()
+
+	var greeting string
+	err = dbpool.QueryRow(context.Background(), "select 'Hello, world!'").Scan(&greeting)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "QueryRow failed: %v\n", err)
+		os.Exit(1)
+	}
+
+	fmt.Println(greeting)
+}