Environment variable on Spring Framework [Java/Kotlin]

This is an easy way to set/get environment variable in the Spring Framework with Kotlin/Java.

👽 Set/Get env variable

Please add Environment variable by IntelliJ > Menu > Run > Edit Configurations > Environment Variables

If you want to add APP_TIMEZONE=JST in Environment variable, you can get the variable by the following code:

// convert `_` to　`.`
@Value("\${app.timezone}") timezone: String

🍮 References

• https://qiita.com/kazuki43zoo/items/0ce92fce6d6f3b7bf8eb
• http://rennnosukesann.hatenablog.com/entry/2018/12/20/184815
• https://qiita.com/cfg17771855/items/905da3100ae99c5197f0

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