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[etc/vim.git] / docs / usage_and_configuration / black_docker_image.md
1 # Black Docker image
2
3 Official _Black_ Docker images are available on Docker Hub:
4 https://hub.docker.com/r/pyfound/black
5
6 _Black_ images with the following tags are available:
7
8 - release numbers, e.g. `21.5b2`, `21.6b0`, `21.7b0` etc.\
9   ℹ Recommended for users who want to use a particular version of _Black_.
10 - `latest_release` - tag created when a new version of _Black_ is released.\
11   ℹ Recommended for users who want to use released versions of _Black_. It maps to [the latest release](https://github.com/psf/black/releases/latest)
12   of _Black_.
13 - `latest` - tag used for the newest image of _Black_.\
14   ℹ Recommended for users who always want to use the latest version of _Black_, even before
15   it is released.
16
17 There is one more tag used for _Black_ Docker images - `latest_non_release`. It is
18 created for all unreleased
19 [commits on the `main` branch](https://github.com/psf/black/commits/main). This tag is
20 not meant to be used by external users.
21
22 ## Usage
23
24 A permanent container doesn't have to be created to use _Black_ as a Docker image. It's
25 enough to run _Black_ commands for the chosen image denoted as `:tag`. In the below
26 examples, the `latest_release` tag is used. If `:tag` is omitted, the `latest` tag will
27 be used.
28
29 More about _Black_ usage can be found in
30 [Usage and Configuration: The basics](./the_basics.md).
31
32 ### Check Black version
33
34 ```console
35 $ docker run --rm pyfound/black:latest_release black --version
36 ```
37
38 ### Check code
39
40 ```console
41 $ docker run --rm --volume $(pwd):/src --workdir /src pyfound/black:latest_release black --check .
42 ```
43
44 _Remark_: besides [regular _Black_ exit codes](./the_basics.md) returned by `--check`
45 option, [Docker exit codes](https://docs.docker.com/engine/reference/run/#exit-status)
46 should also be considered.