### Install Ephemeral PostgreSQL

Source: https://github.com/eradman/ephemeralpg/blob/master/README.md

Installs the Ephemeral PostgreSQL utility. Supports default installation or specifying a custom location using the PREFIX environment variable.

```make
make install
```

```make
PREFIX=$HOME/local make install
```

--------------------------------

### Start Temporary Server with Custom Extension

Source: https://github.com/eradman/ephemeralpg/blob/master/README.md

Shows how to start a temporary PostgreSQL server with a custom shared preload library, specified via the `-o` option, and then connect to it.

```shell
uri=$(pg_tmp -o "-c shared_preload_libraries=$PWD/auth_hook")
psql $uri -c "SELECT 1"
```

--------------------------------

### Create and Query Temporary Database

Source: https://github.com/eradman/ephemeralpg/blob/master/README.md

Demonstrates creating a temporary PostgreSQL database using `pg_tmp` and executing a SQL script against it using `psql`.

```shell
uri=$(pg_tmp)
psql $uri -f my.sql
```

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