[PATCH] docker: rebase on vicamo/pyenv

[You-Sheng Yang]

You-Sheng Yang <vicamo at gmail.com> 於 2021年12月12日 週日 下午2:17寫道：
>
> Rebuild pyenv environments can be time-consuming and irrelevant to this
> project. Use a prebuild image to save some time here.

This saves 10 minutes CI duration for those docker-compose test jobs.
You may want to fork these pyenv images for stability concerns if you
feel this change is appropriate.

> diff --git a/tools/docker/Dockerfile b/tools/docker/Dockerfile
> index d9d0905..821ad37 100644
> --- a/tools/docker/Dockerfile
> +++ b/tools/docker/Dockerfile
> @@ -1,4 +1,4 @@
> -FROM ubuntu:18.04
> +FROM vicamo/pyenv:latest-bionic
>
>  ARG UID
>  ARG GID