Problem starting ui_server

[kerbe]

Trying with latest fixes and updated Docker environment, I encounter new problems when running docker-compose up:

$ docker-compose up
Creating network "changd_default" with the default driver
Creating changd_db_1 ... done
Creating changd_api_1 ... done
Creating changd_ui_server_1 ... error

ERROR: for changd_ui_server_1  Cannot start service ui_server: OCI runtime create failed: container_linux.go:380: starting container process caused: process_linux.go:545: container init caused: rootfs_linux.go:76: mounting "/home/kerbe/git/docker/changd/frontend/nginx/default.conf" to rootfs at "/etc/nginx/conf.d/default.conf" caused: mount through procfd: not a directory: unknown: Are you trying to mount a directory onto a file (or vice-versa)? Check if the specified host path exists and is the expected type

ERROR: for ui_server  Cannot start service ui_server: OCI runtime create failed: container_linux.go:380: starting container process caused: process_linux.go:545: container init caused: rootfs_linux.go:76: mounting "/home/kerbe/git/docker/changd/frontend/nginx/default.conf" to rootfs at "/etc/nginx/conf.d/default.conf" caused: mount through procfd: not a directory: unknown: Are you trying to mount a directory onto a file (or vice-versa)? Check if the specified host path exists and is the expected type
ERROR: Encountered errors while bringing up the project.

Current environment is Windows 10, WSL2 (Pengwin).
$ docker --version
Docker version 20.10.7, build f0df350
$ docker-compose --version
docker-compose version 1.29.2, build 5becea4c