From your compose stack root, preform:
docker compose up -d
docker compose ps
docker exec -e PGPASSWORD=orcabus -it orcabus_db psql -h 0.0.0.0 -d orcabus -U orcabus
orcabus# \l
orcabus# \c orcabus
orcabus# \d
orcabus# \dt
orcabus# select count(1) from your_table_name;
orcabus# \q