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Dev Env

Project description

Maintained MIT license PythonVersions status PyPI Requirements CodeFactor CircleCI codecov docker-simonsdave/bionic-dev-env

This repo was originally created as a way to centralize and document the process of provisioning development environments (dev env). As time went on it became clear that it would be helpful to centralize other common development tools and utilities. This repo now contains tools, scripts and utilities which:

  • provision dev and CI environments using Docker with confidence that both the development and CI environments are the same

  • automate cutting releases

  • simplify integration testing

The tools, scripts and utilities in this repo assume the user follows a pre-defined set of patterns and practices.

Key Concepts

  • a project is hosted in either public or private github repo

  • at the project’s root is a text file called cfg4dev which configures the project’s dev env

  • after git cloning the repo, a developer configures the dev env by executing source cfg4dev

  • dev-env publishes dev env docker images to Docker Hub

  • the docker images are docker pulled to a developer’s machine by cfg4dev

  • CircleCI can use a dev-env docker image as a docker executor

  • shell and python scripts are run on a developer’s machine to access the dev env packaged in the docker image

  • the scripts are installed on a developer’s machine by cfg4dev

  • at the project’s root is a text file called which is manually curated by developers to record key changes to the project


  • developers use macOS

  • dev-env targets projects which are shell and Python centric

  • if a project’s repo is called abc-def-ghi and the project builds a Python package, the package is called abc_def_ghi and the source code for the package is in a sub-directory of the project’s root directory called abc_def_ghi - in addition, the abc_def_ghi directory contains a file called that contains at least a single line that looks like __version__ = '1.2.0' which declares the Python package version

  • scripts and Dockerfiles to build a project’s development environment are in a sub-directory of the project’s root directory called dev_env

  • projects use a branching strategy something like

    • all development is done on the master branch (optionally using feature branches)

    • use Semantic Versioning

    • for each release a new branch is created from master called release-<version>

  • follows a predefined format / structure

What Next

  • take a look at the shell and python scripts to assess dev-env capability

  • here’s a description of how to start using dev-env

  • take a look at this github repo which illustrates how to use dev-env

  • if you’d like to help contribute to dev-env see this


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