package storage import ( "fmt" "sync" "gorm.io/driver/postgres" "gorm.io/gorm" ) type Storager interface{} type storage struct { db *gorm.DB mux sync.RWMutex } type DBConfig struct { Username string Password string Host string Port int Name string } func ProductionDataBase(conf *DBConfig) (*gorm.DB, error) { // create dsn string dsn := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%d sslmode=disable TimeZone=Europe/Madrid", conf.Host, conf.Username, conf.Password, conf.Name, conf.Port, ) // create open database connection db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{}) if err != nil { return nil, err } return db, nil } func New(conf *DBConfig) (Storager, error) { // database holder var db *gorm.DB // producctio db, err := ProductionDataBase(conf) if err != nil { return nil, err } // done return &storage{ db: db, mux: sync.RWMutex{}, }, nil }