hatch-containers

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This provides a plugin for Hatch that allows the use of containerized environments.

Table of Contents

• Installation
• Configuration
  • Python
  • Image
  • Command
  • Startup
  • Shell
• Notes
• Future
• License

Installation

pip install hatch-containers

Configuration

The environment plugin name is container.

• pyproject.toml

  [tool.hatch.envs.<ENV_NAME>]
  type = "container"
  

• hatch.toml

  [envs.<ENV_NAME>]
  type = "container"
  

Python

If the Python version is set to a multi-character integer like 310 then it will be interpreted as its <MAJOR>.<MINOR> form e.g. 3.10.

If not set, then the <MAJOR>.<MINOR> version of the first python found along your PATH will be used, defaulting to the Python executable Hatch is running on.

Image

The image option specifies the container image to use e.g. python:alpine. It recognizes the placeholder value {version} which will be replaced by the value of the Python option.

Default:

[envs.<ENV_NAME>]
image = "python:{version}"

Command

The command option specifies the command that the container will execute when started.

Default:

[envs.<ENV_NAME>]
command = ["/bin/sleep", "infinity"]

Startup

By default, containers will be started automatically when entered or when running commands and will be stopped immediately after. If you want containers to start automatically upon creation and not be stopped until removal, you can set start-on-creation to true.

Default:

[envs.<ENV_NAME>]
start-on-creation = false

Shell

The shell option specifies the executable that will be used when entering containers. By default, this is set to /bin/bash unless alpine is in the image name, in which case /bin/ash will be used instead.

Notes

• There must be a docker executable along your PATH.
• The env-exclude environment variable filter has no effect.

Future

• Support for Windows containers
• Support for building images

License

hatch-containers is distributed under the terms of the MIT license.