does this support a specific page size?

[jeffery9]

[yosifkit]

Every table and index is stored as an array of pages of a fixed size (usually 8 kB, although a different page size can be selected when compiling the server).

- https://www.postgresql.org/docs/current/storage-page-layout.html

Looking at this bit of PostgreSQL documentation, I don't think so.

For the Debian based images, we just use the apt package repos provided on http://apt.postgresql.org/pub/repos/apt/. For the Alpine based images, we had mirrored the config used to build the Debian packages.