init project

config/configs.go

@@ -0,0 +1,68 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"sync"
+
+	"github.com/spf13/viper"
+	_ "gopkg.in/yaml.v3"
+)
+
+const (
+	YAML_PATH        = "infra/furtuna.%s"
+	ENV_MODE         = "ENV_MODE"
+	DEFAULT_ENV_MODE = "development"
+)
+
+var (
+	validEnvMode = map[string]struct{}{
+		"local":       {},
+		"development": {},
+		"production":  {},
+	}
+)
+
+type Config struct {
+	Server    Server    `mapstructure:"server"`
+	Database  Database  `mapstructure:"postgresql"`
+	Jwt       Jwt       `mapstructure:"jwt"`
+	OSSConfig OSSConfig `mapstructure:"oss"`
+}
+
+var (
+	config     *Config
+	configOnce sync.Once
+)
+
+func LoadConfig() *Config {
+	envMode := os.Getenv(ENV_MODE)
+	if _, ok := validEnvMode[envMode]; !ok {
+		envMode = DEFAULT_ENV_MODE // default env mode
+	}
+	cfgFilePath := fmt.Sprintf(YAML_PATH, envMode)
+
+	configOnce.Do(func() {
+		v := viper.New()
+		v.SetConfigType("yaml")
+		v.AddConfigPath(".")
+		v.SetConfigName(cfgFilePath)
+		if err := v.ReadInConfig(); err != nil {
+			panic(fmt.Errorf("failed to read config file: %s", err))
+		}
+
+		config = &Config{}
+		if err := v.Unmarshal(config); err != nil {
+			panic(fmt.Errorf("failed to unmarshal config: %s", err))
+		}
+	})
+
+	return config
+}
+
+func (c *Config) Auth() *AuthConfig {
+	return &AuthConfig{
+		jwtTokenSecret:     c.Jwt.Token.Secret,
+		jwtTokenExpiresTTL: c.Jwt.Token.ExpiresTTL,
+	}
+}