go-env

go-env

Package env provides an env struct field tag to marshal and unmarshal environment variables.

Usage

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This will initially throw an error if IM_REQUIRED is not set in the environment as part of the env struct validation.

This error can be resolved by setting the IM_REQUIRED environment variable manually in the environment or by setting it in the code prior to calling UnmarshalFromEnviron with:

os.Setenv("IM_REQUIRED", "some_value")

Custom Marshaler/Unmarshaler

There is limited support for dictating how a field should be marshaled or unmarshaled. The following example shows how you could marshal/unmarshal from JSON

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