# PostgreSQL

## TL;DR

```sh
# connect to a server
psql --host "${HOSTNAME}" --port "${PORT:-5432}" "${DATABASENAME:-root}" "${USERNAME:-root}"
```

## Further readings

- [Connect to a PostgreSQL database]: https://www.postgresqltutorial.com/connect-to-postgresql-database/
- [Docker image]: https://github.com/docker-library/docs/blob/master/postgres/README.md

[connect to a postgresql database]: https://www.postgresqltutorial.com/connect-to-postgresql-database/
[docker image]: https://github.com/docker-library/docs/blob/master/postgres/README.md