feat: added database migration on startup and user+list db migrations

internal/database/migrate.go

@@ -0,0 +1,43 @@
+package database
+
+import (
+	"database/sql"
+	"embed"
+	"errors"
+	"fmt"
+	"log/slog"
+
+	"github.com/golang-migrate/migrate/v4"
+	"github.com/golang-migrate/migrate/v4/database/postgres"
+	"github.com/golang-migrate/migrate/v4/source/iofs"
+)
+
+//go:embed migrations/*.sql
+var migrationFS embed.FS
+
+func RunMigrations(db *sql.DB) error {
+	sourceDriver, err := iofs.New(migrationFS, "migrations")
+	if err != nil {
+		return fmt.Errorf("failed to load embedded migrations: %w", err)
+	}
+
+	dbDriver, err := postgres.WithInstance(db, &postgres.Config{})
+	if err != nil {
+		return fmt.Errorf("failed to create migration db driver: %w", err)
+	}
+
+	m, err := migrate.NewWithInstance("iofs", sourceDriver, "postgres", dbDriver)
+	if err != nil {
+		return fmt.Errorf("failed to initialize migrator: %w", err)
+	}
+
+	slog.Info("Running database migrations...")
+	err = m.Up()
+
+	if err != nil && !errors.Is(err, migrate.ErrNoChange) {
+		return fmt.Errorf("failed to run database migrations: %w", err)
+	}
+
+	slog.Info("Database migrations applied successfully")
+	return nil
+}