added AWS ELB load balancer example

example-projects/demo3-microservice-in-aws.py

@@ -66,7 +66,10 @@ def main():
     #
     ###########################################################################
 
+    print("Fetching images (AMI) list from AWS region. This will take a lot of seconds (AWS has a very long list of "
+          "supported operating systems and versions)... please be patient...")
     images = conn.list_images()
+
     # image = ''
     # for img in images:
     #   # if img.name == ubuntu_image_name:
@@ -74,6 +77,8 @@ def main():
     #       print(img)
     #   if img.id == ubuntu_image_name:
     #       image = img
+
+    # fetch/select the image referenced with ubuntu_image_name above
     image = [i for i in images if i.name == ubuntu_image_name][0]
     print(image)