signoz/pkg/query-service/app/integrations/builtin_integrations/postgres/config/prerequisites.md

### Prepare postgres for monitoring

- Have a running postgresql instance
- Have the monitoring user created
- Have the monitoring user granted the necessary permissions

This receiver supports PostgreSQL versions 9.6+

For PostgreSQL versions 10+, run:

```bash
create user monitoring with password '<PASSWORD>';
grant pg_monitor to monitoring;
grant SELECT ON pg_stat_database to monitoring;
```

For PostgreSQL versions >= 9.6 and <10, run:

```bash
create user monitoring with password '<PASSWORD>';
grant SELECT ON pg_stat_database to monitoring;
```

Set the following environment variables:

- POSTGRESQL_PASSWORD