Compares expected environment variables to those set in production.
diff-env is a command-line to tool to generate reports to compare the value of environment variables in each of your environments against the defaults defined in various files. It will help you you find:
- variables absent from production, but will be required for a new feature in test
- production values that shouldn’t be shared to your staging environment
- variables set that are no longer referenced in any files
This tool was built with Heroku, but should work with any infrastructure that supports running commands remotely.
- Python 3.6+
Install env-diff with pip:
$ pip install env-diff
or directly from the source code:
$ git clone https://github.com/jacebrowning/env-diff.git $ cd env-diff $ python setup.py install
Generate a sample config file:
$ env-diff --init
Customize this file to match your project:
- sourcefiles: contain references to environment variables used in
- path: relative path to source file
- environments: the environments in which your project runs
- name: name of the environment
- command: command to display currently set environment variables
Generate reports to show the differences between each environment variable:
Input YAML config file:
Running in a terminal:
Output (as viewed in TableTool):
- Added extra context around variable use in Heroku app.json files.
- Added CSV report generation.
- Added detection of source variables matching export FOO=bar.
- Added Markdown report generation.
- Initial alpha release.
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