Bumps version to v0.5.0; updates docs

CHANGELOG.md

@@ -3,6 +3,10 @@
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## v0.5.0
+
+- Shifts storage of system environment variables to the application process dictionary and alters the reading of this data to help improve the security posture and avoid leaking env values. `:side_effect` option for `source/2` and `source!/2` function changed.
+
 ## v0.4.1
 
 - Makes error messages more informative when unable to convert strings to integers or floats

README.md

@@ -69,7 +69,7 @@ POOL_SIZE=10
 POOL=
 ```
 
-When you set up your application configuration in this way, you are creating a contract with the environment (errors will be raised if certain system variables are not set because `Dotenvy.env!/2` relies on `System.fetch_env!/1`), and this is an approach that works equally well for your day-to-day development and testing, as well as for mix releases.
+When you set up your application configuration in this way, you are creating a contract with the environment: `Dotenvy.env!/2` will raise if the required variables have not been set or if the values cannot be properly tranformed. This is an approach that works equally well for your day-to-day development and testing, as well as for mix releases.
 
 Read the [configuration strategies](docs/strategies.md) for more detailed examples of how to configure your app.
 

mix.exs

@@ -2,7 +2,7 @@ defmodule Dotenvy.MixProject do
   use Mix.Project
 
   @source_url "https://github.com/fireproofsocks/dotenvy"
-  @version "0.4.1"
+  @version "0.5.0"
 
   def project do
     [