Added migration mgmt with goose.

internal/db/database.go

@@ -3,7 +3,6 @@ package db
 import (
 	"context"
 	"database/sql"
-	_ "embed"
 	"errors"
 	"fmt"
 	"log/slog"
@@ -14,9 +13,6 @@ import (
 	"github.com/mattn/go-sqlite3"
 )
 
-//go:embed schema.sql
-var ddl string
-
 // DBConfig holds database configuration.
 type DBConfig struct {
 	DSN             string        // Data Source Name for SQLite
@@ -126,8 +122,9 @@ func openAndConfigureDB(config *DBConfig) (*sql.DB, error) {
 	return db, nil
 }
 
-// NewDB initializes and returns a new database connection pool and runs migrations.
-func NewDB(ctx context.Context, logger *slog.Logger, config *DBConfig) (*sql.DB, error) {
+// Connect initializes and returns a new database connection pool.
+// This is the basic connection function without any automatic operations.
+func Connect(ctx context.Context, logger *slog.Logger, config *DBConfig) (*sql.DB, error) {
 	db, err := openAndConfigureDB(config)
 	if err != nil {
 		return nil, err
@@ -147,16 +144,26 @@ func NewDB(ctx context.Context, logger *slog.Logger, config *DBConfig) (*sql.DB,
 		slog.Int("max_open_conns", config.MaxOpenConns),
 		slog.Int("max_idle_conns", config.MaxIdleConns))
 
-	// Execute schema with retry logic
-	err = retryOperation(ctx, logger, config, "schema execution", func() error {
-		_, err := db.ExecContext(ctx, ddl)
-		return err
+	return db, nil
+}
+
+// ConnectAndMigrate initializes a database connection and automatically runs migrations.
+// This is the main function for application startup.
+func ConnectAndMigrate(ctx context.Context, logger *slog.Logger, config *DBConfig) (*sql.DB, error) {
+	db, err := Connect(ctx, logger, config)
+	if err != nil {
+		return nil, err
+	}
+
+	// Run migrations with retry logic
+	err = retryOperation(ctx, logger, config, "migrations", func() error {
+		return RunMigrations(db)
 	})
 	if err != nil {
 		db.Close()
 		return nil, err
 	}
 
-	logger.Info("database schema applied")
+	logger.Info("database migrations applied")
 	return db, nil
 }