#35 springboot: environment variables - os

springboot/external/src/test/java/hello/external/OsEnv.java

@@ -0,0 +1,14 @@
+package hello.external;
+
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.Map;
+
+@Slf4j
+public class OsEnv {
+
+    public static void main(String[] args) {
+        Map<String, String> envMap = System.getenv();
+        envMap.forEach((k, v) -> log.info("env {}={}", k, v));
+    }
+}