revert: put back the reinitialize db

pkg/database.go

@@ -9,21 +9,12 @@ import (
 	_ "github.com/glebarez/go-sqlite" // nolint: revive
 )
 
-var (
-	db *sql.DB
-)
-
 func InitDB(dbName string) (*sql.DB, error) {
-	var err error
-	if db == nil {
-		slog.Info("Initializing database", "dbName", dbName)
-		db, err = sql.Open("sqlite", dbName)
-		if err != nil {
-			slog.Error("Error opening database", "error", err.Error())
-			return nil, err
-		}
-	} else {
-		slog.Info("Database already initialized")
+	slog.Info("Initializing database", "dbName", dbName)
+	db, err := sql.Open("sqlite", dbName)
+	if err != nil {
+		slog.Error("Error opening database", "error", err.Error())
+		return nil, err
 	}
 
 	_, err = db.Exec(`
@@ -47,8 +38,8 @@ func InitDB(dbName string) (*sql.DB, error) {
 		slog.Error("Error creating plot table", "error", err.Error())
 		return nil, err
 	}
-	db.SetMaxOpenConns(10)
-	db.SetMaxIdleConns(10)
+	db.SetMaxOpenConns(5)
+	db.SetMaxIdleConns(5)
 	db.SetConnMaxLifetime(time.Hour)
 
 	return db, nil

pkg/watcher.go

@@ -197,6 +197,5 @@ func (w *Watcher) saveState() error {
 }
 
 func (w *Watcher) Close() error {
-	// return w.db.Close()
-	return nil
+	return w.db.Close()
 }