Postgres

 postgres=# CREATE USER employee WITH PASSWORD 'superPass0';
 CREATE ROLE

 postgres=# CREATE DATABASE employee OWNER employee;
 CREATE DATABASE
 
 \l

 postgres=# \c employee
 You are now connected to database "employee" as user "postgres".
 
 planka=# GRANT CONNECT ON DATABASE employee TO employee;
 GRANT
 
 planka=# GRANT USAGE ON SCHEMA public TO employee;
 GRANT
 
 planka=# GRANT CREATE ON SCHEMA public TO employee;
 GRANT

 psql -h TU_SERVIDOR -U employee -d employee -W

Ref: https://commandprompt.com/education/how-to-create-a-postgresql-database-in-docker/