add: docker command

See merge request !1

Signed-off-by: cckcoder <c.chaiwat.ch@gmail.com>

Merge branch 'lession-13/deploy-docker' of https://gitlab.cckcoder.cc/learning/building-api-with-fastapi into lession-13/deploy-docker

Signed-off-by: cckcoder <c.chaiwat.ch@gmail.com>