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github.com/snippet-bank/snippets
environment-variables
validate-environment-variables
package
Version:
v0.0.0-...-8920fff
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Published: Feb 23, 2020
License: MIT
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Imports: 1
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Imported by: 0
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README
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Retrieving the values of environment variables and validating them is a common problem.
github.com/kelseyhightower/envconfig provides an easy and structured way of doing both of that.
It allows you to provide a configuration struct in which you can set:
expected names of the variables
expected types of values (e.g. int or []string)
whether a variable is required
More information available at godoc .
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type Specification struct {
Regular string
Array []int
Map map[string ]int
SplitWithUnderscores int `split_words:"true"`
WithDefaultValue int `default:"42"`
OverriddenName int `envconfig:"MANUAL_OVERRIDE"`
Required int `required:"true"`
}
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README
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