to learn spring security email validation
docker pull postgres
docker run \
--name registrationDB \
-p 5433:5432 \
-e POSTGRES_USER=admin \
-e POSTGRES_PASSWORD=pwd \
-e POSTGRES_DB=registration \
-d \
postgres
docker exec -it <PSQL-Container-ID> bash
# 호스트 | 포트 | 유저 | DB
$ psql -h localhost -p 5432 -U admin registration -W # to authenticate to start using as postgres user
docker run -p 1080:1080 -p 1025:1025 maildev/maildev