switch to postgresql

internal/httpapp/app.go

@@ -26,7 +26,7 @@ type Config struct {
 	Addr         string
 	TemplatesDir string
 	StaticDir    string
-	DatabasePath string // Path to SQLite database (empty = in-memory mode)
+	DatabaseConn string // Database connection string (SQLite path or PostgreSQL connection string, empty = in-memory mode)
 }
 
 type App struct {
@@ -103,8 +103,8 @@ func New(cfg Config) (*App, error) {
 
 	// Initialize database (optional)
 	var database *db.DB
-	if cfg.DatabasePath != "" {
-		dbConn, err := db.New(cfg.DatabasePath)
+	if cfg.DatabaseConn != "" {
+		dbConn, err := db.New(cfg.DatabaseConn)
 		if err != nil {
 			return nil, fmt.Errorf("init database: %w", err)
 		}

internal/httpapp/backup_handlers.go

@@ -32,7 +32,7 @@ func (a *App) handleCreateBackup(w http.ResponseWriter, r *http.Request) {
 		ISCSITargets: a.iscsiStore.List(),
 		Policies:     a.snapshotPolicy.List(),
 		Config: map[string]interface{}{
-			"database_path": a.cfg.DatabasePath,
+			"database_conn": a.cfg.DatabaseConn,
 		},
 	}
 

internal/httpapp/diagnostics_handlers.go

@@ -119,7 +119,7 @@ func (a *App) handleSystemInfo(w http.ResponseWriter, r *http.Request) {
 	if a.database != nil {
 		info.Database = DatabaseInfo{
 			Connected: true,
-			Path:      a.cfg.DatabasePath,
+			Path:      a.cfg.DatabaseConn,
 		}
 	}
 

internal/httpapp/maintenance_handlers.go

@@ -77,7 +77,7 @@ func (a *App) handleEnableMaintenance(w http.ResponseWriter, r *http.Request) {
 			ISCSITargets: a.iscsiStore.List(),
 			Policies:     a.snapshotPolicy.List(),
 			Config: map[string]interface{}{
-				"database_path": a.cfg.DatabasePath,
+				"database_conn": a.cfg.DatabaseConn,
 			},
 		}