How to pair DDEV databases for a migration from Drupal 7 to Drupal 8
I realise this is not strictly speaking a ddev support question, but I am hoping you can point me in the right direction.
Quite simply, I want to upgrade a Drupal 7 site to Drupal 8 with the Migrate module. Both sites would be in their own DDEV containers. But how to get the their databases talking to each other?
Hoping this is not such a big ask.
Probably you need two databases but one (d8) codebase for a migration like this. You could use the technique in How can I create and load a second database in ddev? to get your second database going.
Alex Moreno has demonstrated this technique in https://dev.acquia.com/blog/migrating-drupal-6-drupal-8-boss-0 and https://www.drupal.org/drupalorg/blog/its-time-to-migrate-from-drupal-7-let-me-show-you-how-to-start
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