envan

envan helps you sync env files from AWS SSM. Allows you to share your environment variables in a simple way when you have a team.

• Features
• Installation
• Prerequisites
• Usage
  • Usage as CLI
  • Usage as package
  • CI/CD
• Contributing
• License

Features

• Store and sync environment variables from AWS SSM Parameter Store.
• Works with mono repo. (Currently, it only supports pnpm package managers for mono repo)
• Works with CI/CD pipelines.
• Works with AWS profiles.
• Works with workspace mode.
• Generate .env.example files.

Installation

npm i envan

yarn add envan

pnpm add envan

You can always run commands as cli tool or a npm or npx script inside a project. Add -g if you want to use envan globally.

Prerequisites

• AWS credentials configured
  • Using AWS CLI
  • Or setup environment variables
    • AWS_ACCESS_KEY_ID
    • AWS_SECRET_ACCESS_KEY
    • AWS_REGION
• AWS SSM Parameters created
• AWS SSM Parameters must be in the following format:

  /<environment>/<service>/<key>
  

• Add fields in package.json

Example:

{
  "envan": {
    "ssmPaths": {
      "dev": "/dev/<service-name>",
      "prod": "/prod/<service-name>"
    }
  }
}

Usage

Usage as CLI

Usage: envan [options] [command]

Sync .env files from AWS SSM Parameter Store

Options:
  -v, --version    output the current version
  -h, --help       display help for command

Commands:
  pull [options]   envan helps you sync env files from AWS SSM
  clean [options]  clean .env files
  help [command]   display help for command


Examples:
--------
Pull dev .env files from Parameter Store:
  $ envan pull
Pull prod params with AWS profile:
  $ envan pull -e prod -p my-profile
Pull with AWS profile and force overwrite:
  $ envan pull -e dev -p my-profile -f
Pull with specified aws profile and force overwrite in workspace mode:
  $ envan pull -e dev -p my-profile -f -w
Pull .env and generate .env.example in workspace mode:
  $ envan pull -e dev -w -eg
Clean .env files:
  $ envan clean
Clean .env and  .env.example files:
  $ envan clean -eg
Clean .env and  .env.example files in workspace:
  $ envan clean -w -eg

Usage as package

Load .env files to process.env:

const { loadEnv } = require("envan");

loadEnv();

CI/CD

You can use envan in your CI/CD pipeline to sync env files from AWS SSM Parameter Store. Configure AWS credentials in your CI/CD pipeline. And then you can use envan to sync env files.

Here is an example Github Actions Step:

    - name: Get .env files
        run: pnpm envan pull -e dev
        env:
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          AWS_REGION: ${{ secrets.AWS_REGION }}

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

License

MIT