public static Arguments fromEnvironment() {
    return fromEnvironment(
      System::getenv,
      () -> System.getenv().keySet()
    );
  }
Returns arguments parsed from environmental variables prefixed with {@code PLANETILER_}
<p>
For example to set {@code key=value}: {@code PLANETILER_KEY=value java -jar ...}
planetiler-core/src/main/java/com/onthegomap/planetiler/config/Arguments.java