A simple script that will try to load configurations in the following order: 1) From properly named environment variables 2) From command line paramenters 3) From the configuration file. See article http://danielasfregola.com/2015/06/01/loading-configurations-in-scala/
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import com.typesafe.config.ConfigFactory | |
import scala.util.Properties | |
class MyConfig(fileNameOption: Option[String] = None) { | |
val config = fileNameOption.fold( | |
ifEmpty = ConfigFactory.load() )( | |
file => ConfigFactory.load(file) ) | |
def envOrElseConfig(name: String): String = { | |
Properties.envOrElse( | |
name.toUpperCase.replaceAll("""\.""", "_"), | |
config.getString(name) | |
) | |
} | |
} | |
val myConfig = new MyConfig() | |
val value = myConfig.envOrElseConfig("my.secret.value") | |
println(s"My secret value is $value") |
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