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https://github.com/ikalnytskyi/action-setup-postgres

Setup a PostgreSQL for Linux, macOS and Windows runner machines.
https://github.com/ikalnytskyi/action-setup-postgres

actions github-actions postgres postgresql

Last synced: 8 days ago
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Setup a PostgreSQL for Linux, macOS and Windows runner machines.

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# setup-postgres

[![CI build](https://img.shields.io/github/actions/workflow/status/ikalnytskyi/action-setup-postgres/ci.yml?style=for-the-badge&logo=github&label=Tests)](https://github.com/ikalnytskyi/action-setup-postgres/actions)
[![GitHub](https://img.shields.io/badge/github-ikalnytskyi/action--setup--postgres-3795BD?logo=github&style=for-the-badge)](https://github.com/ikalnytskyi/action-setup-postgres)
[![Marketplace](https://img.shields.io/badge/market-setup--postgres-4E31AA?logo=github&style=for-the-badge)](https://github.com/marketplace/actions/setup-postgresql-for-linux-macos-windows)

This action sets up a PostgreSQL server for the rest of the job. Here are some
key features:

* Runs on Linux, macOS and Windows action runners.
* PostgreSQL version can be parametrized.
* Adds PostgreSQL [client applications][1] to `PATH`.
* Supports SSL on-demand.
* Easy [to verify][2] that it DOES NOT contain malicious code.

[1]: https://www.postgresql.org/docs/current/reference-client.html
[2]: action.yml

#### Inputs

| Key | Value | Default |
|------------------|------------------------------------------------------------------------------------|-------------|
| username | The username of the user to setup. | `postgres` |
| password | The password of the user to setup. | `postgres` |
| database | The database name to setup and grant permissions to created user. | `postgres` |
| port | The server port to listen on. | `5432` |
| postgres-version | The PostgreSQL major version to install. Supported values: "14", "15", "16", "17". | `17` |

#### Outputs

| Key | Description | Example |
|------------------|--------------------------------------------------|-----------------------------------------------------|
| connection-uri | The connection URI to connect to PostgreSQL. | `postgresql://postgres:postgres@localhost/postgres` |
| service-name | The service name with connection parameters. | `postgres` |
| certificate-path | The path to the server certificate if SSL is on. | `/home/runner/work/_temp/pgdata/server.crt` |

#### User permissions

| Key | Value |
|-------------|-------|
| usesuper | true |
| usecreatedb | true |

## Usage

> [!IMPORTANT]
>
> In order to connect to a PostgreSQL server, either use connection parameters
> directly (see [basic] example), or, preferably, obtain a connection URI from
> the `connection-uri` output (see [recommended] example).
>
> [basic]: #basic
> [recommended]: #recommended

> [!TIP]
>
> For `libpq`-based applications, such as PostgreSQL client applications, set
> the `PGSERVICE=postgres` environment variable to automatically use the
> correct connection parameters (see [example]). The `postgres` value
> corresponds to the service name from the `service-name` output.
>
> [example]: #how-do-i-create-a-new-database-with-a-new-user

#### Basic

```yaml
steps:
- uses: ikalnytskyi/action-setup-postgres@v7

- run: psql postgresql://postgres:postgres@localhost:5432/postgres -c "SELECT 1"
- run: psql service=postgres -c "SELECT 1"
- run: psql -c "SELECT 1"
env:
PGSERVICE: postgres
```

#### Recommended

```yaml
steps:
- uses: ikalnytskyi/action-setup-postgres@v7
id: postgres

- run: psql ${{ steps.postgres.outputs.connection-uri }} -c "SELECT 1"
- run: psql service=${{ steps.postgres.outputs.service-name }} -c "SELECT 1"
- run: psql -c "SELECT 1"
env:
PGSERVICE: ${{ steps.postgres.outputs.service-name }}
```

#### Parametrized

```yaml
steps:
- uses: ikalnytskyi/action-setup-postgres@v7
with:
username: ci
password: sw0rdfish
database: test
port: 34837
postgres-version: "14"
ssl: true
id: postgres

- run: psql ${{ steps.postgres.outputs.connection-uri }} -c "SELECT 1"
- run: psql service=${{ steps.postgres.outputs.service-name }} -c "SELECT 1"
- run: psql -c "SELECT 1"
env:
PGSERVICE: ${{ steps.postgres.outputs.service-name }}
```

## FAQ

#### How do I create a new database with a new user?

```yaml
steps:
- uses: ikalnytskyi/action-setup-postgres@v7
id: postgres

- env:
PGSERVICE: "${{ steps.postgres.outputs.service-name }}"
run: |
createuser myuser
createdb --owner myuser mydatabase
psql -c "ALTER USER myuser WITH PASSWORD 'mypassword'"
```

## Rationale

At the time of developing there were no GitHub Actions on the marketplace to
setup a PostgreSQL server on Linux, Windows and macOS action runners. Most
solutions suggest using Docker which is not available on macOS and Windows
runners.

## License

The scripts and documentation in this project are released under the
[MIT License](LICENSE).