ConfigExt

A bunch of common elixir config helpers to load config from environment variables or by executing a function. Part of the work was based on gist from bitwalker and community practises (especially for using {:system, "VAR"[, default]} spec).

Installation

The package can be installed as:

1. Add config_ext to your list of dependencies in mix.exs:

```elixir
def deps do
  [{:config_ext, "~> 0.1.0"}]
end
```

1. Use module to fetch config from env var

```elixir
# where LEVEL=debug
config :logger, :level, {:system, "LEVEL", "info"}
ConfigExt.get_env(:logger, :level) # => "debug"
```

or evaluate a function on runtime

```elixir
config :logger, :level, {:function, YourModule, :function_name, [:arg1, :arg2]}
ConfigExt.get_env(:logger, :level) # => YourModule.function_name(:arg1, :arg2)
```