Automatical start

sudo ./start_trainer.sh 

Manual start

docker pull postgres:latest

sudo docker build -t psql_trainer_i .

docker run -d --name psql_trainer-c -p 5432:5432 psql_trainer_i

docker exec -it psql_trainer-c /bin/bash

psql -U trainee -d trainer

SQL trainer

SELECT table_name FROM information_schema.tables WHERE table_name ILIKE '%catalog%' ORDER BY ASC