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101 lines
6.7 KiB
Markdown
101 lines
6.7 KiB
Markdown
# Home assistant add-on: Postgres
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I maintain this and other Home Assistant add-ons in my free time: keeping up with upstream changes, HA changes, and testing on real hardware takes a lot of time (and some money). I use around 5-10 of my >110 addons so regularly I install test machines (and purchase some test services such as vpn) that I don't use myself to troubleshoot and improve the addons
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If this add-on saves you time or makes your setup easier, I would be very grateful for your support!
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[![Buy me a coffee][donation-badge]](https://www.buymeacoffee.com/alexbelgium)
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[![Donate via PayPal][paypal-badge]](https://www.paypal.com/donate/?hosted_button_id=DZFULJZTP3UQA)
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## Addon informations
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[](https://www.codacy.com/gh/alexbelgium/hassio-addons/dashboard?utm_source=github.com&utm_medium=referral&utm_content=alexbelgium/hassio-addons&utm_campaign=Badge_Grade)
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[](https://github.com/alexbelgium/hassio-addons/actions/workflows/weekly-supelinter.yaml)
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[](https://github.com/alexbelgium/hassio-addons/actions/workflows/onpush_builder.yaml)
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[donation-badge]: https://img.shields.io/badge/Buy%20me%20a%20coffee-%23d32f2f?logo=buy-me-a-coffee&style=flat&logoColor=white
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[paypal-badge]: https://img.shields.io/badge/Donate%20via%20PayPal-0070BA?logo=paypal&style=flat&logoColor=white
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_Thanks to everyone having starred my repo! To star it click on the image below, then it will be on top right. Thanks!_
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[](https://github.com/alexbelgium/hassio-addons/stargazers)
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## About
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PostgreSQL, often simply "Postgres", is an object-relational database management system (ORDBMS) with an emphasis on extensibility and standards-compliance. As a database server, its primary function is to store data, securely and supporting best practices, and retrieve it later, as requested by other software applications, be it those on the same computer or those running on another computer across a network (including the Internet). It can handle workloads ranging from small single-machine applications to large Internet-facing applications with many concurrent users. Recent versions also provide replication of the database itself for security and scalability.
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This addon is based on the official image : https://hub.docker.com/_/postgres
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## Configuration
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Postgres port is by default 5432 and is exposed to the host network.
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Default user: `postgres`, password: set by `POSTGRES_PASSWORD`
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### Options
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| Option | Type | Default | Description |
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|--------|------|---------|-------------|
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| `POSTGRES_PASSWORD` | password | `homeassistant` | Password for the postgres user |
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| `POSTGRES_USER` | str | | Optional custom username |
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| `POSTGRES_DB` | str | | Optional default database name |
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| `POSTGRES_INITDB_ARGS` | str | | Additional arguments to initdb |
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| `POSTGRES_HOST_AUTH_METHOD` | str | | Host authentication method |
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### Example Configuration
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```yaml
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POSTGRES_PASSWORD: "your-secure-password"
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POSTGRES_USER: "myuser"
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POSTGRES_DB: "mydatabase"
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POSTGRES_INITDB_ARGS: "--encoding=UTF8 --lc-collate=C --lc-ctype=C"
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POSTGRES_HOST_AUTH_METHOD: "md5"
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```
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For more information, check the [official PostgreSQL image docs](https://hub.docker.com/_/postgres).
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### Custom Scripts and Environment Variables
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This addon supports custom scripts and environment variables through the `addon_config` mapping:
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- **Custom scripts**: See [Running Custom Scripts in Addons](https://github.com/alexbelgium/hassio-addons/wiki/Running-custom-scripts-in-Addons)
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- **env_vars option**: Use the add-on `env_vars` option to pass extra environment variables (uppercase or lowercase names). See https://github.com/alexbelgium/hassio-addons/wiki/Add-Environment-variables-to-your-Addon-2 for details.
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**Configuration File**: By default `postgresql.conf` is stored in `/config/postgresql.conf` accessible by other addons and Home Assistant. You can modify it using the File Editor addon. For better security, change `CONFIG_LOCATION` to `/data/orig/postgresql.conf` to make it accessible only to this addon.
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## Installation
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The installation of this add-on is pretty straightforward and not different in comparison to installing any other add-on.
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1. Add my add-ons repository to your home assistant instance (in supervisor addons store at top right, or click button below if you have configured my HA)
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[](https://my.home-assistant.io/redirect/supervisor_add_addon_repository/?repository_url=https%3A%2F%2Fgithub.com%2Falexbelgium%2Fhassio-addons)
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1. Install this add-on.
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1. Click the `Save` button to store your configuration.
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1. Set the add-on options to your preferences, at least POSTGRES_PASSWORD is required.
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1. Start the add-on.
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1. Check the logs of the add-on to see if everything went well.
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1. Use any Postgres client to connect, e.g. to `homeassistant.local:5432`
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## Security
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By default, Postgres will be reachable on the local network of your host system. To improve security, you can disable this behavior and make Postgres available only to other Add-ons within Home Assistant.
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1. Configure all Add-ons that use Postgres to connect via the internal DNS name: `db21ed7f-postgres:5432`.
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2. Go to **Settings → Add-ons → Postgres 15 → Configuration**, and under **Network**, remove port `5432` by clearing the text field.
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3. Click **Save** and restart the Add-on.
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4. Postgres is now only accessible from other Add-ons and no longer reachable from your local network (e.g., laptop, IoT devices, etc.).
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## Support
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Create an issue on github
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[repository]: https://github.com/alexbelgium/hassio-addons
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