Connecting to the database

internal/driver/driver.go

@@ -0,0 +1,30 @@
+package driver
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"time"
+
+	_ "github.com/go-sql-driver/mysql"
+)
+
+func OpenDB(dsn string) (*sql.DB, error) {
+	db, err := sql.Open("mysql", dsn)
+	if err != nil {
+		return nil, err
+	}
+
+	db.SetConnMaxLifetime(time.Minute * 3)
+	db.SetMaxOpenConns(10)
+	db.SetMaxIdleConns(10)
+
+	ctx, _ := context.WithTimeout(context.Background(), 3*time.Second)
+	err = db.PingContext(ctx)
+	if err != nil {
+		fmt.Println(err)
+		return nil, err
+	}
+
+	return db, nil
+}