add dockerfiler

store/sqlite.go

@@ -59,9 +59,13 @@ func InitSQLiteStore(path string) error {
 	return nil
 }
 
-// FindAndOpenSQLiteStore walks up from the current working directory to find
-// an .ax.db file and opens it.
+// FindAndOpenSQLiteStore opens the SQLite database. If the AX_DB_PATH environment
+// variable is set, it uses that path directly. Otherwise, it walks up from the
+// current working directory to find an .ax.db file.
 func FindAndOpenSQLiteStore() (Store, error) {
+	if dbpath := os.Getenv("AX_DB_PATH"); dbpath != "" {
+		return NewSQLiteStore(dbpath)
+	}
 	dir, err := filepath.Abs(".")
 	if err != nil {
 		return nil, err