How to install postgres on mac (incl. creating a user and a database)

Postgres install

# Install Postgres on mac 

Install it

``` bash
brew install postgres
initdb /usr/local/var/postgres -E utf8
```

Start database
``` bash
postgres -D /usr/local/var/postgres
```

Log in into database
``` bash
psql template1
```

Create user and database

``` sql
CREATE USER calamari;
CREATE DATABASE comments_development;
GRANT ALL PRIVILEGES ON DATABASE comments_Development to calamari;
\q
```