Files
book-comic-library/backend/internal/config/config.go
T

55 lines
1.2 KiB
Go

package config
import (
"fmt"
"os"
"strconv"
"time"
)
type Config struct {
Addr string
DatabaseURL string
RedisURL string
JWTSecret []byte
AdminUser string
AdminPassword string
BooksDir string
CacheDir string
ScanInterval time.Duration
UploadMaxMB int64
}
func Load() (*Config, error) {
env := func(k, def string) string {
if v := os.Getenv(k); v != "" {
return v
}
return def
}
scanSec, err := strconv.Atoi(env("SCAN_INTERVAL_SEC", "60"))
if err != nil {
return nil, fmt.Errorf("SCAN_INTERVAL_SEC: %w", err)
}
uploadMB, err := strconv.ParseInt(env("UPLOAD_MAX_MB", "200"), 10, 64)
if err != nil {
return nil, fmt.Errorf("UPLOAD_MAX_MB: %w", err)
}
secret := os.Getenv("JWT_SECRET")
if secret == "" {
return nil, fmt.Errorf("JWT_SECRET required")
}
return &Config{
Addr: env("ADDR", ":8080"),
DatabaseURL: env("DATABASE_URL", ""),
RedisURL: env("REDIS_URL", ""),
JWTSecret: []byte(secret),
AdminUser: env("ADMIN_USER", ""),
AdminPassword: env("ADMIN_PASSWORD", ""),
BooksDir: env("BOOKS_DIR", "/data/books"),
CacheDir: env("CACHE_DIR", "/data/cache"),
ScanInterval: time.Duration(scanSec) * time.Second,
UploadMaxMB: uploadMB,
}, nil
}