Hola profe, una consulta. Intento crear la imagen del poyecto en docker siguiendo los mismos pasos que usted pero me da el sigueinte error:

[+] Building 0.0s (0/0)                                                                                                                                                                   docker:default 
[+] Building 4.3s (3/3) FINISHED                                                                                                                                                          docker:default 
=> [internal] load build definition from Dockerfile                                                                                                                                                0.8s 
=> => transferring dockerfile: 406B                                                                                                                                                                0.1s 
=> [internal] load .dockerignore                                                                                                                                                                   1.5s 
=> => transferring context: 2B                                                                                                                                                                     0.0s 
=> ERROR [internal] load metadata for docker.io/library/python:3.9.6-alpine                                                                                                                        0.7s 
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> [internal] load metadata for docker.io/library/python:3.9.6-alpine:
------
Dockerfile:2
--------------------
  1 |     #imagen original
  2 | >>> FROM python:3.9.6-alpine
  3 |
  4 |     #set work directory
--------------------
ERROR: failed to solve: python:3.9.6-alpine: error getting credentials - err: exec: "docker-credential-desktop": executable file not found in %PATH%, out: ~~~``