Add makefile to demo pushing to registries

06-building-container-images/Makefile

@@ -50,8 +50,8 @@ CMD and ENTRYPOINT.
 
 The image has the following:
 
- ENTRYPOINT [ "echo", "Hey Team 👋 (entrypoint)" ]
- CMD [ "+ (cmd)" ]
+  ENTRYPOINT [ "echo", "Hey Team 👋 (entrypoint)" ]
+  CMD [ "+ (cmd)" ]
 
 ✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅
 

06-building-container-images/client-react/Dockerfile.5

@@ -1,3 +1,5 @@
+# syntax=docker/dockerfile:1.5
+
 FROM node:19.4-bullseye AS build
 
 # Specify working directory other than /