Add PostgreSQL, user/squad management, remove private domains from docs

internal/config/config.go

@@ -18,7 +18,11 @@ type Config struct {
 	RemnawavePanelURL     string
 	RemnawaveAPIToken     string
 	CaddyAuthAPIToken     string
-	RemnawaveSubscription string
+	RemnawaveSubscription      string
+	DatabaseURL                string
+	DefaultUserDays            int
+	DefaultExternalSquadUUID   string
+	DefaultInternalSquadUUIDs  []string
 }
 
 func Load() (*Config, error) {
@@ -60,14 +64,40 @@ func Load() (*Config, error) {
 		return nil, fmt.Errorf("REMNAWAVE_SUBSCRIPTION_URL должен начинаться с http:// или https://")
 	}
 
+	dbURL := strings.TrimSpace(os.Getenv("DATABASE_URL"))
+	if dbURL == "" {
+		return nil, fmt.Errorf("DATABASE_URL не задан")
+	}
+
+	days := 30
+	if v := strings.TrimSpace(os.Getenv("DEFAULT_USER_DAYS")); v != "" {
+		if d, err := strconv.Atoi(v); err == nil && d > 0 {
+			days = d
+		}
+	}
+
+	var internalSquads []string
+	if v := strings.TrimSpace(os.Getenv("DEFAULT_INTERNAL_SQUAD_UUIDS")); v != "" {
+		for _, part := range strings.Split(v, ",") {
+			part = strings.TrimSpace(part)
+			if part != "" {
+				internalSquads = append(internalSquads, part)
+			}
+		}
+	}
+
 	return &Config{
-		BotToken:              token,
-		BotDebug:              strings.EqualFold(strings.TrimSpace(os.Getenv("BOT_DEBUG")), "true"),
-		TelegramAdminID:       adminID,
-		RemnawaveName:         name,
-		RemnawavePanelURL:     panelURL,
-		RemnawaveAPIToken:     apiToken,
-		CaddyAuthAPIToken:     caddy,
-		RemnawaveSubscription: subURL,
+		BotToken:                  token,
+		BotDebug:                  strings.EqualFold(strings.TrimSpace(os.Getenv("BOT_DEBUG")), "true"),
+		TelegramAdminID:           adminID,
+		RemnawaveName:             name,
+		RemnawavePanelURL:         panelURL,
+		RemnawaveAPIToken:         apiToken,
+		CaddyAuthAPIToken:         caddy,
+		RemnawaveSubscription:     subURL,
+		DatabaseURL:               dbURL,
+		DefaultUserDays:           days,
+		DefaultExternalSquadUUID:  strings.TrimSpace(os.Getenv("DEFAULT_EXTERNAL_SQUAD_UUID")),
+		DefaultInternalSquadUUIDs: internalSquads,
 	}, nil
 }