envd

Serves application environment variables over HTTP from a config directory.

Overview

Original idea was to fetch application environment variables for .env file from the network. Dotenv files are very useful for local development as well as for production deployments. Service could be used to fetch data for .env files per environment with deployment tools like Capistrano, Mina or Shuttle via curl/wget command.

All services and service environments are stored as directories under main config directory. Each environment variable is stored in a file that contains its value.

Here's the example config structure:

myapp (dir)
- production (dir)
-- rails_env (file)
-- redis_url (file)
-- s3_access_key (file)
-- s3_secret_key (file)
-- s3_bucket (file)

Request production environment of myapp with curl:

curl http://localhost:3050/myapp/production

Example output:

RAILS_ENV=production
REDIS_URL=redis://localhost:6379
S3_ACCESS_KEY=foo
S3_SECRET_KEY=bar
S3_BUCKET=foobar

Usage

Options:

Usage of ./envd:
  -c="": Path to config directory
  -h="0.0.0.0": Host to bind to
  -p=3050: Port to listen on
  -t="": Authentication token

Start server:

envd -c ./examples -t foo

Make requests with curl:

# Without authentication
curl http://localhost:3050/myapp/production

# With authentication
curl -f http://localhost:3050/myapp/production?token=foo
curl -f http://localhost:3050/myapp/production -H "Token: foo"

API

Fetch all available services:

GET /

Fetch service environments:

GET /:service

Fetch service environment variables:

GET /:service/:environment

Build

To compile application from source execute:

make deps
make build

To build for cross-platform, execute:

make buildapp

Test

Execute test suite with command:

make test

Deployment

You can use supervisord for process control management. See templates directory for example configs.

License

The MIT License (MIT)

Copyright (c) 2014 Dan Sosedoff, dan.sosedoff@gmail.com

License

sosedoff/envd

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