diff --git a/app.py b/app.py
index 5db9d18..530a0b0 100644
--- a/app.py
+++ b/app.py
@@ -10,5 +10,6 @@ def hello_world():  # put application's code here
 
 
 if __name__ == '__main__':
-    print(os.environ)
+    for key, value in os.environ.items():
+        print(f'{key}: {value}')
     app.run()