feat: 0.0.1

internal/config/config.go

@@ -0,0 +1,65 @@
+package config
+
+import (
+	"time"
+
+	"github.com/spf13/viper"
+)
+
+// Config stores all configuration of the application.
+// The values are read from environment variables or a config file.
+type Config struct {
+	// Server settings
+	ServiceName     string        `mapstructure:"SERVICE_NAME"`
+	FrontendURL     string        `mapstructure:"FRONTEND_URL"`
+	AllowedOrigins  []string      `mapstructure:"ALLOWED_ORIGINS"`
+	DBAddr          string        `mapstructure:"DB_ADDR"`
+	RedisAddr       string        `mapstructure:"REDIS_ADDR"`
+	RedisPassword   string        `mapstructure:"REDIS_PASSWORD"`
+	RedisDB         int           `mapstructure:"REDIS_DB"`
+	MigrationURL    string        `mapstructure:"MIGRATIONS_URL"`
+	HTTPServerAddr  string        `mapstructure:"HTTP_SERVER_ADDR"`
+	GrpcServerAddr  string        `mapstructure:"GRPC_SERVER_ADDR"`
+	AuthTokenExp    time.Duration `mapstructure:"AUTH_TOKEN_EXP"`
+	RefreshTokenExp time.Duration `mapstructure:"REFRESH_TOKEN_EXP"`
+	MinTokenSize    int           `mapstructure:"AUTH_TOKEN_MIN_KEY_SIZE"`
+	TokenKey        string        `mapstructure:"AUTH_TOKEN_SECRET"`
+	TokenISS        string        `mapstructure:"AUTH_TOKEN_ISS"`
+	TokenAUD        string        `mapstructure:"AUTH_TOKEN_AUD"`
+	EmailSender     string        `mapstructure:"EMAIL_FROM"`
+	EmailSenderName string        `mapstructure:"EMAIL_FROM_NAME"`
+	EmailPassword   string        `mapstructure:"EMAIL_SMTP_PASSWORD"`
+	Environment     string        `mapstructure:"ENVIRONMENT"`
+}
+
+// LoadConfig reads configuration from file or environment variables.
+func LoadConfig(path string) (config Config, err error) {
+	viper.AddConfigPath(path)
+	viper.SetConfigName("api")
+	viper.SetConfigType("env") // could be json, toml, yaml, env, etc.
+
+	viper.AutomaticEnv() // read in environment variables that match
+
+	err = viper.ReadInConfig()
+	if err != nil {
+		return
+	}
+	err = viper.Unmarshal(&config)
+	return
+}
+
+// LoadTestConfig reads test configuration from file or environment variables.
+func LoadTestConfig(path string) (config Config, err error) {
+	viper.AddConfigPath(path)
+	viper.SetConfigName("api_test")
+	viper.SetConfigType("env") // could be json, toml, yaml, env, etc.
+
+	viper.AutomaticEnv() // read in environment variables that match
+
+	err = viper.ReadInConfig()
+	if err != nil {
+		return
+	}
+	err = viper.Unmarshal(&config)
+	return
+}