Upgrade from v3 to v4 using docker?

Your software v3.1.2
My PHP version is : 7.201
My MySQL/MariaDB version is (delete as applicable): mysqlnd 5.0.12-dev

Updating/Installing Errors
I am (delete as applicable): Installing / Updating
Upgrading/installing via (delete as applicable) : Web / Command Line
These errors are showing in the installer :

These errors are showing in the Mautic log :

Your problem
My problem is : Is there a guideline for upgrading from v3 to v4 using the public Docker images Docker Hub? And also between minor releases?

Steps I have tried to fix the problem :

Hello @klandry1,

I suggest to go directly to the Docker Hub support.
The update depends on how your Docker has been configured. :slight_smile:

Pierre

Hi @klandry1,
have you managed to successfully do that kind of upgrade? I would be interested in any fields reports of such an opration.

BR Günther

In case you’re still interested, I just did it.
Doesn’t mean that what worked for me will for you, but give it a try :wink:

https://forum.mautic.org/t/update-mautic-docker-from-v3-to-v4/28590