postgres-addn-modules: Standardize ref link labels
MODIFY
quay-enterprise/postgres-additional-modules.md
quay-enterprise/postgres-additional-modules.md
# Installing Contributor Extensions for Postgres
-As of release 2.1.0, Quay Enterprise requires the [pg_trgm][pg_trm] extension when using PostgreSQL. This extension is part of the [Additional Supplied Modules][Additional Supplied Modules]. These modules can be installed with standard package management tools on Debian and RedHat-based systems.
+As of release 2.1.0, Quay Enterprise requires the [pg_trgm][postgres-trgm] extension when using PostgreSQL. This extension is part of the [Additional Supplied Modules][postgres-additional-modules]. These modules can be installed with standard package management tools on Debian and RedHat-based systems.
## Debian/Ubuntu
@@ -21,15 +21,16 @@ As of release 2.1.0, Quay Enterprise requires the [pg_trgm][pg_trm] extension wh
```
## Docker
-The [library/postgres][library/postgres] container includes the `postgresql-contrib` package.
+The [library/postgres][postgres-contrib-docker] container includes the `postgresql-contrib` package.
-If using a container based on one of the above operating systems, modify the container's Dockerfile to install the postgresql-contrib package. Containers built FROM other operating systems may need to [install the additional modules from source][source].
+If using a container based on one of the above operating systems, modify the container's Dockerfile to install the postgresql-contrib package. Containers built FROM other operating systems may need to [install the additional modules from source][source-install].
## PostgreSQL on Amazon RDS
The `postgresql-contrib package` is included.
-[pg_trm]: https://www.postgresql.org/docs/current/static/pgtrgm.html
-[Additional Supplied Modules]: https://www.postgresql.org/docs/current/static/contrib.html
-[library/postgres]: https://hub.docker.com/_/postgres/
-[source]: https://www.postgresql.org/docs/current/static/contrib.html
+
+[postgres-additional-modules]: https://www.postgresql.org/docs/current/static/contrib.html
+[postgres-contrib-docker]: https://hub.docker.com/_/postgres/
+[postgres-trgm]: https://www.postgresql.org/docs/current/static/pgtrgm.html
+[source-install]: https://www.postgresql.org/docs/current/static/contrib.html

postgres-addn-modules: Standardize ref link labels