init

app/internal/infr/db/pgx.go

@@ -0,0 +1,39 @@
+package db
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+var Pool *pgxpool.Pool
+
+func Connect() error {
+	dsn := fmt.Sprintf(
+		"postgres://%s:%s@%s:%s/%s?sslmode=disable",
+		os.Getenv("DB_USER"),
+		os.Getenv("DB_PASSWORD"),
+		os.Getenv("DB_HOST"),
+		os.Getenv("DB_PORT"),
+		os.Getenv("DB_NAME"),
+	)
+
+	c, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	pool, err := pgxpool.New(c, dsn)
+	if err != nil {
+		return err
+	}
+
+	if err := pool.Ping(c); err != nil {
+		pool.Close()
+		return err
+	}
+
+	Pool = pool
+	return nil
+}