fix: use standard python3 alpine image
fix: use standard python3 alpine image

rtzll/flask-todolist,rtzll/flask-todolist,0xfoo/flask-todolist,polyfunc/flask-todolist,0xfoo/flask-todolist,polyfunc/flask-todolist,rtzll/flask-todolist,0xfoo/flask-todolist,rtzll/flask-todolist,polyfunc/flask-todolist