Files
easywish/backend/config/config.go
2025-06-18 20:17:04 +03:00

86 lines
2.0 KiB
Go

package config
import (
"fmt"
"log"
"reflect"
"github.com/spf13/viper"
)
type Config struct {
Hostname string `mapstructure:"HOSTNAME"`
Port string `mapstructure:"PORT"`
DatabaseUrl string `mapstructure:"POSTGRES_URL"`
RedisUrl string `mapstructure:"REDIS_URL"`
MinioUrl string `mapstructure:"MINIO_URL"`
JwtAlgorithm string `mapstructure:"JWT_ALGORITHM"`
JwtSecret string `mapstructure:"JWT_SECRET"`
JwtIssuer string `mapstructure:"JWT_ISSUER"`
JwtAudience string `mapstructure:"JWT_AUDIENCE"`
JwtExpAccess string `mapstructure:"JWT_EXP_ACCESS"`
JwtExpRefresh string `mapstructure:"JWT_EXP_REFRESH"`
Environment string `mapstructure:"ENVIRONMENT"`
}
var config *Config
func LoadConfig() error {
viper.AutomaticEnv()
viper.SetConfigName(".env")
viper.SetConfigType("env")
viper.AddConfigPath(".")
// Load .env file
if err := viper.ReadInConfig(); err != nil {
log.Printf("Error reading .env file, proceeding with environment variables. %s", err)
}
viper.SetDefault("HOSTNAME", "localhost")
viper.SetDefault("PORT", "8080")
viper.SetDefault("JWT_ALGORITHM", "HS256")
viper.SetDefault("JWT_SECRET", "default_jwt_secret_please_change") // TODO: remove and randomly generate
viper.SetDefault("JWT_EXP_ACCESS", "5m")
viper.SetDefault("JWT_EXP_REFRESH", "1w")
viper.SetDefault("JWT_AUDIENCE", "easywish")
viper.SetDefault("JWT_ISSUER", "easywish")
viper.SetDefault("ENVIRONMENT", "production")
if err := viper.Unmarshal(&config); err != nil {
log.Fatalf("Unable to decode into struct, %v", err)
}
if err := validateConfig(); err != nil {
return err
}
return nil
}
func validateConfig() error {
v := reflect.ValueOf(*config)
t := v.Type()
for i := range v.NumField() {
field := v.Field(i)
fieldType := t.Field(i)
if field.Kind() == reflect.String && field.String() == "" {
return fmt.Errorf("Missing required configuration: %s", fieldType.Name)
}
}
return nil
}
func GetConfig() *Config {
return config
}