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Enable IPv4 address

To do this:
1
Go to your project settings in Supabase
2
Click on Add Ons
3
Enable Dedicated IPv4 address
Supabase IPv4 Add on

Supabase connection string

For logical replication to work, we’ll need a direct connection to the database without the connection pooler. To find your connection string, go to your connection page and click “Direct connection string”.
Supabase connection string

If that’s configured to be your default setting, click “Get connected” to get an expanded view, then make sure it’s configured for a “Direct connection”.
Supabase direct connection

To create a service account, run this in Supabase: