Coffea-Casa: Building composable analysis facilities for the HL-LHC Sam Albin, Garhan Attebury, Kenneth Bloom, Brian Bockelman, Carl Lundstedt, Oksana Shadura and John Thiltges EPJ Web of Conf., 295 (2024) 07009 Published online: 06 May 2024 DOI: 10.1051/epjconf/202429507009