Here are steps how to reproduce this error:

$ podman pull quay.io/sclorg/s2i-core-c9s:c9s

$ podman run --rm -it quay.io/sclorg/s2i-core-c9s:c9s{}

$ yum module list | grep postgresql

{{postgresql 15 client, server [d] PostgreSQL server and client module }}

postgresql 16 client, server [d] PostgreSQL server and client module

$ yum module -y enable postgresql:15

{{ Last metadata expiration check: 0:00:55 ago on Thu Mar 7 11:04:46 2024. Dependencies resolved. ================================================================================================================================================================================================================== Package Architecture Version Repository Size ================================================================================================================================================================================================================== Enabling module streams: postgresql 15 Transaction Summary ================================================================================================================================================================================================================== Complete!}}

{{ bash-5.1# yum install -y postgresql-server Last metadata expiration check: 0:01:05 ago on Thu Mar 7 11:04:46 2024. All matches were filtered out by modular filtering for argument: postgresql-server Error: Unable to find a match: postgresql-server}}