tutorial screen shots have wrong port number

[michaelthoward]

File: get-started/part3.md

In parts 3 and 4 of tutorial, screen shots shows default http port 80, but should explicitly show port 4000.
Note that curl command in text explicitly says http://localhost:4000

This caused a problem for me when I hit Tutorial Part 4 because while googling for a solution I found #4608 and got confused.

Note that there is no mention of port 4000 in the text nor in the screen shot

yet port 4000 is required

[michaelthoward]

This port confusion problem is pervasive.
In part 3, the docker-compose.yml file shows using port 4000 and the text reinforces that.

Yet, the Recap and cheat sheet video shows using port 80

[michaelthoward]

By the time you get to Part 5 everything assumes port 80.
This is a source of confusion for newbies who are struggling to learn about port mapping.
The tutorial is where they/we start, and if it is confusing then that does not build confidence.

[abuuzayr]

thanks @michaelthoward .. however since this is a swarm I am expecting to be able to access the app via the 2nd VM's IP as well, even with port. However I can only get a response from the first VM:

Is it working for you?

[abuuzayr]

Ok wow. this is strange. I just tried it and its working without the ports:

The ports in my docker compose is set to 80:80:

[Dawn-Wood]

Hi everyone!! Thanks for the feedback!! We just updated the whole Get Started guide to align with current best practices. As a bonus, we also removed the steps that you allude to.
Love to hear your feedback on the updated guide.

[docker-robott]

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