TY CONF TI DEVELOPMENT OF AN AUTHORIZATION SERVICE IN FASTAPI USING JWT KW microservice architecture KW authorization KW FastAPI KW JWT KW asynchronous programming KW role-based access control KW Python JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2026 AU Litvinov, A.I. AU Budovskaya, G.I. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov