85 lines
1.8 KiB
Go
85 lines
1.8 KiB
Go
package config
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import (
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"bufio"
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"fmt"
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"os"
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"strings"
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)
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type Config struct {
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HTTPAddr string
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DatabaseURL string
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SessionKey string
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AppEnv string
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AdminEmail string
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AdminPass string
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Timezone string
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}
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func Load() Config {
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if err := loadDotEnv(".env"); err != nil {
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fmt.Fprintf(os.Stderr, "warning: load .env: %v\n", err)
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}
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return Config{
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HTTPAddr: getenv("HTTP_ADDR", ":8080"),
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DatabaseURL: getenv("DATABASE_URL", "postgres://postgres:postgres@localhost:5433/superbanka?sslmode=disable"),
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SessionKey: getenv("SESSION_KEY", "dev-session-key-change-me"),
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AppEnv: getenv("APP_ENV", "development"),
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AdminEmail: getenv("ADMIN_EMAIL", "admin@superbanka.local"),
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AdminPass: getenv("ADMIN_PASSWORD", "admin123456"),
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Timezone: getenv("TIMEZONE", "UTC"),
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}
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}
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func getenv(key, fallback string) string {
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if value := os.Getenv(key); value != "" {
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return value
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}
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return fallback
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}
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func loadDotEnv(path string) error {
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file, err := os.Open(path)
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if err != nil {
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if os.IsNotExist(err) {
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return nil
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}
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return err
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}
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defer file.Close()
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scanner := bufio.NewScanner(file)
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lineNumber := 0
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for scanner.Scan() {
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lineNumber++
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line := strings.TrimSpace(scanner.Text())
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if line == "" || strings.HasPrefix(line, "#") {
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continue
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}
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key, value, ok := strings.Cut(line, "=")
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if !ok {
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return fmt.Errorf("line %d: missing '='", lineNumber)
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}
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key = strings.TrimSpace(key)
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value = strings.TrimSpace(value)
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value = strings.Trim(value, `"'`)
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if key == "" {
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return fmt.Errorf("line %d: empty key", lineNumber)
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}
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if _, exists := os.LookupEnv(key); exists {
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continue
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}
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if err := os.Setenv(key, value); err != nil {
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return fmt.Errorf("line %d: set %s: %w", lineNumber, key, err)
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}
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}
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return scanner.Err()
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}
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