Chore: project init

pkg/config/config.go

@@ -0,0 +1,48 @@
+package config
+
+import (
+	"os"
+	"strconv"
+
+	"github.com/joho/godotenv"
+)
+
+type Config struct {
+	AppPort        string
+	DBHost         string
+	DBPort         string
+	DBUser         string
+	DBPassword     string
+	DBName         string
+	RedisAddr      string
+	RedisPassword  string
+	JWTSecret      string
+	JWTExpiryHours int
+}
+
+var C Config
+
+func Load() {
+	_ = godotenv.Load()
+
+	hours, _ := strconv.Atoi(getEnv("JWT_EXPIRY_HOURS", "24"))
+	C = Config{
+		AppPort:        getEnv("APP_PORT", "8080"),
+		DBHost:         getEnv("DB_HOST", "localhost"),
+		DBPort:         getEnv("DB_PORT", "3306"),
+		DBUser:         getEnv("DB_USER", "root"),
+		DBPassword:     getEnv("DB_PASSWORD", ""),
+		DBName:         getEnv("DB_NAME", "a301"),
+		RedisAddr:      getEnv("REDIS_ADDR", "localhost:6379"),
+		RedisPassword:  getEnv("REDIS_PASSWORD", ""),
+		JWTSecret:      getEnv("JWT_SECRET", "secret"),
+		JWTExpiryHours: hours,
+	}
+}
+
+func getEnv(key, fallback string) string {
+	if v := os.Getenv(key); v != "" {
+		return v
+	}
+	return fallback
+}