From: Cooper Lees <me@cooperlees.com>
Date: Thu, 8 Apr 2021 04:13:11 +0000 (-0700)
Subject: Add `black` Dockerfile (#1916)
X-Git-Url: https://git.madduck.net/etc/vim.git/commitdiff_plain/8e0803e7e5acabdd28b80258f15d8aebf11fbb4c?hp=8e0803e7e5acabdd28b80258f15d8aebf11fbb4c

Add `black` Dockerfile (#1916)

* Add `black` Dockerfile
- Build a `black` container based on python3-slim
- Test: `docker build --network-host --tag black .`
```console
cooper-mbp1:black cooper$ docker image ls
REPOSITORY                                         TAG            IMAGE ID       CREATED              SIZE
black                                              latest         0c7636402ac2   4 seconds ago        332MB
```

Addresses part of #1914

* Build with colorama + d extra installs - Adds ~9mb

* Combine all build commands in 1 run
- Combine the commands all into 1 RUN to down the size
- Get to 65.98 MB image size now: https://hub.docker.com/repository/docker/cooperlees/black/tags?page=1&ordering=last_updated

* Add rm -r of /var/lib/apt/lists/* + save 10mb down to 55mb
---