Can't mount Caddyfile when using docker context (remote machine)

1. The problem I’m having:

Can’t mount Caddyfile when using docker context. However, once I move the compose file over to the remote machine (along with the relevant files) it works fine.

steps to reproduce

docker context create <NAME> --docker "host=ssh://<HOST>"
docker context use <NAME>
docker compose up -d

2. Error messages and/or full log output:

Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during con
tainer init: error mounting "/home/user/Code/homelab-setup/caddy/config/Caddyfile" to rootfs at "/etc/caddy/Caddyfile": create mountpoint for /etc/caddy/Caddyfile mount: cannot create subdi
rectories in "/var/lib/docker/overlay2/bb5c9bfc60c81ef1606663b988c2901c3b3f25ce7e62366dafd8451646aa9631/merged/etc/caddy/Caddyfile": not a directory: 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

3. Caddy version:

command output

docker image ls
caddy                                            latest      14300de7e087   3 weeks ago     50.5MB
docker compose exec -it caddy caddy version
v2.10.0 h1:fonubSaQKF1YANl8TXqGcn4IbIRUDdfAkpcsfI/vX5U=

4. How I installed and ran Caddy:

docker compose

a. System environment:

Docker with compose

b. Command:

docker compose up -d

c. Service/unit/compose file:

caddy:
    image: caddy:latest
    container_name: caddy
    restart: unless-stopped
    ports:
      - "80:80"
      - "443:443"
      - "443:443/udp"
    volumes:
      - ./caddy/config/Caddyfile:/etc/caddy/Caddyfile
      # - ./caddy/config/http.Caddyfile:/config/http.Caddyfile
      # - ./.Caddyfile.txt:/opt/caddy/Caddyfile:ro
      # - ./caddy/config:/etc/caddy
      # - ./caddy/config/Caddyfile:/etc/caddy/Caddyfile:ro
      - ./caddy/certs:/certs:ro
      - caddy_data:/data
    # command: /usr/bin/caddy run --config /config/http.Caddyfile

d. My complete Caddy config:

This is just temporary for testing purposes

* {
    respond "Hello World!"
}

5. Links to relevant resources:

Edit 1: adding steps to reproduce

This is a Docker question, so we can’t guarantee Docker experts are around to answer. My Docker knowledge isn’t advanced enough to answer that question, but I hope other users are able to answer.