Reading Time: 12 minutes Hello, guys! I’m back with the third post of the mini-series: Vanilla GraphQL With NodeJS And PostgreSQL. In today’s post, we will replace the in-memory database with a real one that is used a lot in production: PostgreSQL. We will learn how to utilize Docker‘s power to set up the database in an extremely easy and enjoyable way. Then, we will rework the DB class to interact with the database by building SQL queries. That sounds …