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# temp-postgres
The `temp-postgres` utility runs the [PostgreSQL](https://www.postgresql.org/) server off a temporary data directory.
See the [original blog post](https://www.skreutz.com/posts/temporary-postgresql-server/) for an introduction.
The project's source code is hosted on <https://git.skreutz.com/temp-postgres.git/>.
## Usage
Create and serve a temporary database:
```sh
temp-postgres
```
Specify a database name, and PostgreSQL user name:
```sh
temp-postgres --dbname myproject --username alex
```
Wrap the `psql` command to connect to the temporary database once the server is ready:
```sh
temp-postgres -- psql
```
Run [SQLx integration tests](https://docs.rs/sqlx/latest/sqlx/attr.test.html) against a temporary database:
```sh
temp-postgres -- cargo test
```
Or configure `temp-postgres` as a wrapper for [cargo-nextest](https://nexte.st/):
```toml
experimental = ["wrapper-scripts"]
[scripts.wrapper.temp-postgres]
command = 'temp-postgres'
[[profile.default.scripts]]
platform = { host = 'cfg(unix)' }
run-wrapper = 'temp-postgres'
```
See the manual page for details.
## Dependencies
The `temp-postgres` utility depends on `sh(1)` and `postgres(1)`.
On OpenBSD you can install the dependencies using `pkg_add(1)`:
```sh
doas pkg_add postgresql-server postgresql-client
```
On FreeBSD you can install the dependencies using `pkg-install(8)`:
```sh
sudo pkg install postgresql16-server postgresql16-client
```
On Void Linux you can install the dependencies using `xbps-install(1)`:
```sh
sudo xbps-install -S dash postgresql postgresql-client
```
On Arch Linux you can install the dependencies using `pacman(8)`:
```sh
sudo pacman -Syu postgresql
```
## Installation
```sh
./configure
make
sudo make install
```
Alternatively you can run (or install) the experimental Nix flake.
```sh
nix run git+https://git.skreutz.com/temp-postgres.git -- --help
```
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