https://www.youtube.com/watch?v=JSAuFqOC5Jw
I was getting error : ER_FK_INCOMPATIBLE_COLUMNS when updating ghost to :latest, 5.6.0, or :5.74 , but it worked fine on 5.59.1 .
According to the Ghost FAQ:
Resolving a misconfigured MySQL database with Ghost - Ghost DevelopersFind out