• prisma example project modified for postgresql
• psql 12.3 (Mac executable)

Repro steps

$ psql
create database example;

npm install
npx migrate dev --preview-feature

• expected: migrate dev runs
• actual:

Environment variables loaded from prisma/.env
Prisma schema loaded from prisma/schema.prisma
Datasource "db": PostgreSQL database "example", schema "public" at "localhost:5432"

Error: P3005

The database schema for `localhost:5432` is not empty. Read more about how to baseline an existing production database: https://pris.ly/d/migrate-baseline