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postgres: link the libpq environment variables page for 18 #2713

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tianon merged 1 commit into from
Oct 19, 2026
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postgres: link the libpq environment variables page for 18 #2713

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2 changes: 1 addition & 1 deletion postgres/content.md
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Expand Up @@ -56,7 +56,7 @@ This environment variable is required for you to use the PostgreSQL image. It mu

**Note 1:** The PostgreSQL image sets up `trust` authentication locally so you may notice a password is not required when connecting from `localhost` (inside the same container). However, a password will be required if connecting from a different host/container.

**Note 2:** This variable defines the superuser password in the PostgreSQL instance, as set by the `initdb` script during initial container startup. It has no effect on the `PGPASSWORD` environment variable that may be used by the `psql` client at runtime, as described at [https://www.postgresql.org/docs/14/libpq-envars.html](https://www.postgresql.org/docs/14/libpq-envars.html). `PGPASSWORD`, if used, will be specified as a separate environment variable.
**Note 2:** This variable defines the superuser password in the PostgreSQL instance, as set by the `initdb` script during initial container startup. It has no effect on the `PGPASSWORD` environment variable that may be used by the `psql` client at runtime, as described at [https://www.postgresql.org/docs/18/libpq-envars.html](https://www.postgresql.org/docs/18/libpq-envars.html). `PGPASSWORD`, if used, will be specified as a separate environment variable.

### `POSTGRES_USER`

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