envy

Load environment variables from YAML yaml configuration dotenv environment
1.0.4 Latest release released

Envy

Envy loads and sets environment variables from YAML. It supports all YAML data types, including arrays and hashes.

Envy uses the YAML key mapping of a value as the environment variable name. For example, the following YAML configuration...

---
app:
  database:
    host: localhost
    port: 4321
  server:
    hosts:
      - localhost
      - grottopress.localhost
    port: 8080
  webhooks:
    - url: "https://example.com"
      token: "a1b2c2"
    - url: "https://myapp.net"
      token: "d4e5f6"

...sets environment variables as follows:

ENV["APP_DATABASE_HOST"] = "localhost"
ENV["APP_DATABASE_PORT"] = "4321"

ENV["APP_SERVER_HOSTS_0"] = "localhost"
ENV["APP_SERVER_HOSTS_1"] = "grottopress.localhost"
ENV["APP_SERVER_PORT"] = "8080"

ENV["APP_WEBHOOKS_0_URL"] = "https://example.com"
ENV["APP_WEBHOOKS_0_TOKEN"] = "a1b2c2"
ENV["APP_WEBHOOKS_1_URL"] = "https://myapp.net"
ENV["APP_WEBHOOKS_1_TOKEN"] = "d4e5f6"

It sets file permission (0600 by default) for all config files.

Envy supports loading a file from a supplied list of files in decreasing order of priority; the first readable file is loaded.

Installation

  1. Add the dependency to your shard.yml:

    dependencies:
      envy:
        github: GrottoPress/envy
    
  2. Run shards install

Usage

  • Load the first readable file from a supplied list of files. Optionally set files permissions. This does not overwrite existing environment variables:

    require "envy"
    
    Envy.from_file ".env.yml", ".env.dev.yml", perm: 0o400
    
  • Load the first readable file from a supplied list of files. Optionally set files permissions. This overwrites existing environment variables:

    require "envy"
    
    Envy.from_file! ".env.yml", ".env.dev.yml", perm: 0o400
    

Contributing

  1. Fork it
  2. Switch to the master branch: git checkout master
  3. Create your feature branch: git checkout -b my-new-feature
  4. Make your changes, updating changelog and documentation as appropriate.
  5. Commit your changes: git commit
  6. Push to the branch: git push origin my-new-feature
  7. Submit a new Pull Request against the GrottoPress:master branch.
envy:
  github: GrottoPress/envy
  version: ~> 1.0.4
License MIT
Crystal ~> 1.0

Authors

Dependencies 0

Development Dependencies 1

  • ameba ~> 0.14.3
    {'github' => 'crystal-ameba/ameba', 'version' => '~> 0.14.3'}

Dependents 0

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