enable Xdebug with docker build stage and dc override#433

Draft

lwillems wants to merge 3 commits intoSylius:1.7from lwillems:1.7

+1,551-1,019

Commits on Oct 15, 2020

enable Xdebug with docker build stage and dc override
lwillems
committed

Commits on Nov 1, 2020

fix typo error
lwillems
committed

Commits on Nov 9, 2020

fix docker build
lwillems
committed