first commit

config/config.go

@@ -0,0 +1,96 @@
+package config
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"strconv"
+
+	"github.com/joho/godotenv"
+)
+
+type Config struct {
+	AppEnv  string
+	AppPort string
+	AppBaseURL string
+
+	DBHost     string
+	DBPort     string
+	DBUser     string
+	DBPassword string
+	DBName     string
+	DBSSLMode  string
+
+	JWTSecret              string
+	JWTExpiresHours        int
+	JWTRefreshSecret       string
+	JWTRefreshExpiresHours int
+
+	GoogleClientID string
+
+	RateLimitRequestsPerSecond float64
+	RateLimitBurst             int
+}
+
+var Cfg *Config
+
+func Load() *Config {
+	if err := godotenv.Load(); err != nil {
+		log.Println("info: file .env tidak ditemukan, menggunakan environment variable sistem")
+	}
+
+	expiresHours, err := strconv.Atoi(getEnv("JWT_EXPIRES_HOURS", "1"))
+	if err != nil {
+		expiresHours = 1
+	}
+
+	refreshExpiresHours, err := strconv.Atoi(getEnv("JWT_REFRESH_EXPIRES_HOURS", "168"))
+	if err != nil {
+		refreshExpiresHours = 168
+	}
+
+	rateLimitRPS, err := strconv.ParseFloat(getEnv("RATE_LIMIT_RPS", "5"), 64)
+	if err != nil {
+		rateLimitRPS = 5
+	}
+
+	rateLimitBurst, err := strconv.Atoi(getEnv("RATE_LIMIT_BURST", "10"))
+	if err != nil {
+		rateLimitBurst = 10
+	}
+
+	appPort := getEnv("APP_PORT", "8080")
+	defaultBaseURL := fmt.Sprintf("http://localhost:%s", appPort)
+
+	Cfg = &Config{
+		AppEnv:     getEnv("APP_ENV", "development"),
+		AppPort:    appPort,
+		AppBaseURL: getEnv("APP_BASE_URL", defaultBaseURL),
+
+		DBHost:     getEnv("DB_HOST", "localhost"),
+		DBPort:     getEnv("DB_PORT", "5432"),
+		DBUser:     getEnv("DB_USER", "postgres"),
+		DBPassword: getEnv("DB_PASSWORD", "root"),
+		DBName:     getEnv("DB_NAME", "cardverse"),
+		DBSSLMode:  getEnv("DB_SSLMODE", "disable"),
+
+		JWTSecret:              getEnv("JWT_SECRET", "secret"),
+		JWTExpiresHours:        expiresHours,
+		JWTRefreshSecret:       getEnv("JWT_REFRESH_SECRET", "refresh_secret"),
+		JWTRefreshExpiresHours: refreshExpiresHours,
+
+		GoogleClientID: getEnv("GOOGLE_CLIENT_ID", ""),
+
+		RateLimitRequestsPerSecond: rateLimitRPS,
+		RateLimitBurst:             rateLimitBurst,
+	}
+
+	return Cfg
+}
+
+func getEnv(key, fallback string) string {
+	if value, ok := os.LookupEnv(key); ok && value != "" {
+		return value
+	}
+	return fallback
+}