func Create(cm *credentials.Manager, dialect, connection string) (*Database, error) {
	log.Println("Setting up database connection.")
	maxOpenConns := 5
	var db *gorm.DB
	var err error
	switch dialect {
	case "sqlite3":
		createFileDir(connection)
		maxOpenConns = 1
		db, err = gorm.Open(sqlite.Open(connection), &gorm.Config{})
	case "mysql":
		db, err = gorm.Open(mysql.Open(connection), &gorm.Config{})
	default:
		message := "Database dialect is not supported"
		return nil, errors.New(message)
	}
	if err != nil {
		return nil, err
	}
	sql, err := db.DB()
	if err != nil {
		return nil, err
	}
	sql.SetMaxOpenConns(maxOpenConns)
	if dialect == "mysql" {
		sql.SetConnMaxLifetime(9 * time.Minute)
	}
	db.AutoMigrate(&model.User{}, &model.Application{})
	return &Database{gormdb: db, sqldb: sql, credentialsManager: cm}, nil
}
Create instanciates a database connection.
package database
import (
	"database/sql"
	"errors"
	"log"
	"os"
	"path/filepath"
	"time"
	"github.com/pushbits/server/internal/authentication/credentials"
	"github.com/pushbits/server/internal/model"
	"gorm.io/driver/mysql"
	"gorm.io/driver/sqlite"
	"gorm.io/gorm"
)
type Database struct {
	gormdb             *gorm.DB
	sqldb              *sql.DB
	credentialsManager *credentials.Manager
}
func createFileDir(file string) {
	if _, err := os.Stat(filepath.Dir(file)); os.IsNotExist(err) {
		if err := os.MkdirAll(filepath.Dir(file), 0775); err != nil {
			panic(err)
		}
	}
}