GitLab revert the reverted merge

So you made a mistake and made a revert, then you want to introduce again the code you use in new merge, if you try to make merge request(MR) from branch you made original MR you reverted you will get nothing in that MR. This is not a bug, but a feature of git. Reverting does not roll back, but rather appends the revert to the front of the HEAD.

How to load an order entity

If you wan to get some info from ORDER entity there is a method to do that.  We can do that by loading by some property or by loading order per ID

SSL on DrupalVM with Nginx, creating self-signed certificate

To setup SSL on DrupalVM with self-signed certificate you need a few commands and to change config, choose a place where you will store your certificates and then run first

sudo openssl genrsa -out "devcert.key" 2048

then do the

Order life cycle in drupal commerce

Drupal commerce has rather good documentation for D8 commerce but I will try to summarise here how each order is made, what it needs to be completed and what goes on in lifespan of an order.
So lets start by order entity it self, check

CheckoutController and formPage method, troubles with checkout flow

If you are having any problems with checkout flow (designing custom checkout flow or new payment gateway) check in 

Drupal\commerce_checkout\Controller;  

and see formPage method, debug it and you can track what is step sent from URL, what is step set in order and do they match and adjust accordingly when needed.